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China Unicom
Facts:
148 Specifications & 51 Highlights
See what makes the China Unicom worth packing. These 148 specs & features — from general information, network & connectivity, data & usage features & voice & messaging features to underrated add-ons — tell the story.
A fast snapshot of the China Unicom, covering its standout specification and what you can expect right out of the box.
China Unicom
China Unicom is a state-owned Chinese telecommunications company and network operator that provides a range of communication services, including mobile voice and data, fixed-line telephony, broadband internet, international and domestic telecommunications, and value-added services.
Specifications & Facts
148
Specs measured. Drama avoided.
The China Unicom sim card is reviewed in full here: price, real-world usage, standout specs, and what people love (or didn’t). Cast your vote too!
General Information
14
China Unicom
SIM Card Type
What type of SIM card is this?
0
China Unicom
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Physical SIM, eSIM
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The SIM card type for this category is eSIM, which enables remote provisioning and eliminates the need for a physical SIM card, enhancing convenience and device design flexibility.
Defines whether the SIM is a physical card or embedded SIM.
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China Unicom
SIM Card Material
What material is the SIM card made of?
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Plastic
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The SIM card material is Plastic, a common and durable material used in SIM manufacturing providing a balance of cost-effectiveness and resilience.
Indicates the physical material used to manufacture the SIM card.
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China Unicom
Environmental Compliance
What environmental standards does it comply with?
0
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RoHS, REACH, WEEE, ISO 14001
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The SIM cards comply with environmental regulations such as RoHS, REACH, WEEE, and ISO 14001, reflecting commitment to eco-friendly manufacturing and disposal practices.
Shows compliance with environmental and sustainability standards.
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China Unicom
This SIM card is compatible with multiple device types such as Smartphones, Tablets, Smartwatches, IoT Devices, and Hotspots, making it versatile for various digital devices.
Identifies the types of devices the SIM is designed for.
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China Unicom
Intended Usage
What is the intended usage?
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Personal, Business, Travel, IoT
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This SIM card category is suitable for diverse usage scenarios including Personal, Business, Travel, and IoT applications. It offers flexibility to meet the connectivity needs of different user groups.
Describes the primary usage scenario of the SIM card.
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China Unicom
Billing Type
What is the billing type?
0
China Unicom
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Postpaid
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Specifies the billing model associated with the SIM.
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China Unicom
SIM Card Form Factor
What SIM form factor does it use?
0
China Unicom
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Nano SIM
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Indicates the physical size format of the SIM card.
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China Unicom
SIM Card Region Compatibility
Which regions does the SIM support?
0
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Regional
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Indicates geographic regions where the SIM can operate.
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China Unicom
Carrier Lock Status
Is the SIM carrier locked?
Yes
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Shows whether the SIM is locked to a specific carrier.
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China Unicom
Activation Requirement
Does the SIM require activation?
Yes
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Indicates whether activation is required before use.
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China Unicom
Voice Call
Does the SIM support voice calls?
Yes
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Shows whether voice calling is supported.
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China Unicom
SMS
Does the SIM support SMS?
Yes
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Indicates whether SMS messaging is supported.
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China Unicom
Data-Only
Is this a data-only SIM?
Yes
0Votes
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Indicates if the SIM supports data-only usage.
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China Unicom
Multi-Profile
Does the SIM support multiple profiles?
Yes
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Shows if multiple profiles can be stored on the SIM.
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Network & Connectivity
17
China Unicom
Network Latency Class
What is the network latency class?
0
China Unicom
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Low Latency
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Network latency class is Low Latency, which is important for applications requiring quick response times such as gaming, video calls, and real-time data processing.
Indicates expected network response time performance.
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China Unicom
Network Speed Class
What network speed class is supported?
0
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Ultra High Speed
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Network speed class is Ultra High Speed, supporting fast data transfer rates suitable for high-demand applications including streaming and large file downloads.
Represents the expected data speed tier supported by the SIM.
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China Unicom
Network Selection Mode
How does the SIM select networks?
0
China Unicom
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Automatic
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Defines how the SIM selects available networks.
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Network Priority Level
What is the network priority level?
0
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High
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Indicates the priority level assigned to the SIM on mobile networks.
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China Unicom
Network Reliability Rating
How reliable is the network connection?
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Excellent
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Summarizes overall reliability of network connectivity.
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Supported Network Type
Which network types are supported?
0
China Unicom
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2G, 3G, 4G LTE, 5G
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Indicates which cellular network types the SIM can connect to.
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Supported Network Bands
Which network bands are supported?
0
China Unicom
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Low Band, Mid Band, High Band, Sub-6 GHz
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Lists the frequency band ranges supported by the SIM.
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China Unicom
LTE
Does the SIM support LTE?
Yes
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Indicates whether LTE connectivity is supported.
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5G
Does the SIM support 5G?
Yes
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Shows whether the SIM can operate on 5G networks.
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China Unicom
Roaming
Does the SIM support roaming?
Yes
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Indicates whether roaming is supported.
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China Unicom
Domestic Roaming
Is domestic roaming supported?
Yes
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Shows support for roaming within the same country.
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China Unicom
International Roaming
Is international roaming supported?
Yes
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Indicates support for roaming across countries.
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China Unicom
VoLTE
Does the SIM support VoLTE?
Yes
0Votes
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Indicates support for Voice over LTE.
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China Unicom
VoWiFi
Does the SIM support VoWiFi?
Yes
0Votes
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Shows whether Voice over Wi-Fi is supported.
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China Unicom
Carrier Aggregation
Is carrier aggregation supported?
Yes
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Indicates support for carrier aggregation technology.
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China Unicom
APN Configuration Type
How is APN configured?
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Automatic
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Defines how APN settings are configured.
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China Unicom
Network Authentication Method
How does the SIM authenticate with the network?
0
China Unicom
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SIM-Based Authentication
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Describes how the SIM authenticates securely with the network.
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Data & Usage Features
17
China Unicom
Data Reset Cycle
When does data reset?
0
China Unicom
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Monthly
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Indicates how often data limits reset.
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China Unicom
Data Plan Type
What type of data plan does the SIM use?
0
China Unicom
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Unlimited
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Defines whether the SIM uses a capped or unlimited data plan.
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China Unicom
Data Suspension Policy
What happens when data limits are exceeded?
0
China Unicom
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Throttled
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Describes how data access is handled when limits are reached.
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Data Speed Throttling
Is data speed throttled?
Yes
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Indicates whether data speeds are reduced after a threshold.
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Usage Alert
Are usage alerts supported?
Yes
0Votes
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Indicates whether usage alerts are provided.
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China Unicom
Fair Usage Policy
Is there a fair usage policy?
Yes
0Votes
China Unicom
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Shows whether a fair usage policy applies to data usage.
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China Unicom
Unlimited Data
Does the SIM support unlimited data?
No
0Votes
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Indicates support for unlimited data usage.
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Data Rollover
Does unused data roll over?
No
0Votes
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Shows whether unused data can roll over.
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China Unicom
Data Sharing
Can data be shared with other devices?
Yes
0Votes
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Indicates whether data can be shared across devices.
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Hotspot/Tethering
Is hotspot or tethering supported?
Yes
0Votes
China Unicom
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Shows whether hotspot or tethering is allowed.
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China Unicom
Streaming Optimization
Is streaming optimized?
No
0Votes
China Unicom
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Indicates optimization for video and audio streaming.
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Data Compression
Is data compression supported?
No
0Votes
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Indicates whether data compression is applied.
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Real-Time Data Tracking
Can data usage be tracked in real time?
Yes
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Shows whether real-time data usage tracking is available.
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China Unicom
Overage Protection
Is overage protection available?
No
0Votes
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Shows whether overage charges are prevented.
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Data Management App
Is there a data management app?
Yes
0Votes
China Unicom
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Shows whether a companion app is available for data management.
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China Unicom
Daily Data Limit
What is the daily data limit?
1
GB
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Specifies the maximum data allowed per day.
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China Unicom
Monthly Data Allowance
What is the monthly data allowance?
5
GB
0Votes
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Indicates the total data allowance per month.
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Voice & Messaging Features
15
China Unicom
Call Forwarding
Is call forwarding available?
No
0Votes
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Call Forwarding is not available, limiting call management options to basic calling functions without the ability to redirect calls.
Indicates whether incoming calls can be forwarded.
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China Unicom
Call Waiting
Is call waiting supported?
No
0Votes
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Call Waiting feature is not supported, so users will not be notified of incoming calls while engaged in an active call.
Shows support for call waiting functionality.
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China Unicom
Voicemail
Is voicemail supported?
No
0Votes
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Voicemail functionality is not supported, which may require users to rely on carrier or device-based voicemail options separately.
Shows whether voicemail services are supported.
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China Unicom
Short Code
Are short codes supported?
No
0Votes
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Short code service support is absent, so quick dial or service codes may not be supported through this SIM card category.
Indicates support for short code messaging services.
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China Unicom
Emergency Call
Are emergency calls supported?
No
0Votes
China Unicom
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China Unicom
Emergency call capability is not provided with this SIM card category, meaning users may need alternative means for emergency communications.
Indicates support for emergency calling services.
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China Unicom
Voice Call Type
What type of voice calling is supported?
0
China Unicom
0
Votes
Circuit Switched
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Defines the primary technology used for voice calls.
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China Unicom
HD Voice
Does the SIM support HD voice?
Yes
0Votes
China Unicom
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Indicates whether high-definition voice calls are supported.
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China Unicom
International Calling
Is international calling supported?
Yes
0Votes
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Shows whether calls to other countries are supported.
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China Unicom
Caller ID
Is caller ID supported?
Yes
0Votes
China Unicom
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Indicates whether caller identification is supported.
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China Unicom
Visual Voicemail
Is visual voicemail supported?
No
0Votes
China Unicom
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Indicates whether visual voicemail is available.
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China Unicom
SMS Type
What type of SMS is supported?
0
China Unicom
0
Votes
Standard SMS
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Defines the type of SMS messaging supported.
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China Unicom
MMS
Does the SIM support MMS?
Yes
0Votes
China Unicom
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Indicates support for multimedia messages.
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China Unicom
RCS Messaging
Is RCS messaging supported?
No
0Votes
China Unicom
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Shows whether Rich Communication Services are supported.
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China Unicom
Premium SMS
Is premium SMS supported?
No
0Votes
China Unicom
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Shows whether premium SMS services are allowed.
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China Unicom
Messaging Spam Protection
Is messaging spam protection available?
Yes
0Votes
China Unicom
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Shows whether spam filtering for messages is available.
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Compatibility & Device Support
16
China Unicom
Compatible Device Brands
Which device brands are compatible?
0
China Unicom
0
Votes
Apple, Samsung, Xiaomi, Google, Huawei, Other
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Compatible device brands include major manufacturers like Apple, Samsung, Xiaomi, Google, Huawei, and other brands, covering a broad range of popular devices.
Lists device brands that are compatible with the SIM card.
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China Unicom
SIM Slot Compatibility
What SIM slot types are supported?
0
China Unicom
0
Votes
Dual SIM
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The SIM slot compatibility is Dual SIM, supporting devices that can operate with two SIM cards simultaneously, which is useful for separating personal and business lines or using different carriers.
Defines supported SIM slot configurations.
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China Unicom
Compatible Operating Systems
Which operating systems are supported?
0
China Unicom
0
Votes
iOS, Android, Windows
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Indicates which operating systems are supported.
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China Unicom
Firmware Dependency
Does the SIM require specific firmware?
0
China Unicom
0
Votes
None
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Indicates whether specific device firmware is required for the SIM to function properly.
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China Unicom
Dual SIM
Is dual SIM supported?
Yes
0Votes
China Unicom
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Indicates whether dual SIM functionality is supported.
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China Unicom
eSIM Compatibility
Is eSIM supported?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows whether the SIM supports eSIM-capable devices.
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China Unicom
Device Unlock Requirement
Is an unlocked device required?
No
0Votes
China Unicom
SIM Card in this range
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Indicates whether devices must be unlocked to use the SIM.
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China Unicom
Tablet Compatibility
Is the SIM compatible with tablets?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows whether tablets are supported.
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China Unicom
Smartwatch Compatibility
Is smartwatch use supported?
No
0Votes
China Unicom
SIM Card in this range
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Indicates support for cellular smartwatches.
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China Unicom
IoT Device Compatibility
Is the SIM suitable for IoT devices?
No
0Votes
China Unicom
SIM Card in this range
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Shows compatibility with IoT devices.
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China Unicom
Hotspot Device Compatibility
Can it be used in hotspots?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates compatibility with mobile hotspot devices.
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China Unicom
Device Certification Requirement
Is device certification required?
No
0Votes
China Unicom
SIM Card in this range
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Indicates whether certified devices are required.
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China Unicom
Carrier Certification Requirement
Is carrier certification required?
No
0Votes
China Unicom
SIM Card in this range
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Shows whether carrier-approved devices are required.
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China Unicom
Backward Device
Are older devices supported?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates support for older device models.
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China Unicom
Device Switching Ease
How easy is device switching?
0
China Unicom
0
Votes
Easy
SIM Card in this range
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Describes how easy it is to move the SIM between devices.
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Multi-Device Profile
Are multiple device profiles supported?
No
0Votes
China Unicom
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Shows whether multiple devices can share profiles.
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Physical & Form Factor
14
China Unicom
Contact Pad Material
What material are the contact pads made of?
0
China Unicom
0
Votes
Gold-Plated
SIM Card in this range
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Contact pad material is Gold-Plated, which enhances electrical conductivity and corrosion resistance for better SIM card performance and longevity.
Describes the conductive material used for SIM contact pads.
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China Unicom
Adapter
Are SIM adapters included?
No
0Votes
China Unicom
SIM Card in this range
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China Unicom
No adapter is included or required, indicating the SIM form factor matches devices directly without needing additional hardware.
Shows whether SIM size adapters are included.
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China Unicom
Dust Resistance
Is the SIM dust resistant?
No
0Votes
China Unicom
SIM Card in this range
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China Unicom
This SIM card has dust resistance features that help protect it from particulate matter, contributing to reliability and durability in various environments.
Indicates resistance to dust and particles.
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China Unicom
Chip Protection Coating
Does the SIM have a chip protection coating?
0
China Unicom
0
Votes
Polymer Coating
SIM Card in this range
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Indicates the protective coating applied to the SIM chip.
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China Unicom
SIM Width
What is the SIM card width?
0.6
inch
0Votes
SIM Card in this range
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Indicates the physical width of the SIM card.
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China Unicom
SIM Depth
What is the SIM card depth?
0.03
inch
0Votes
SIM Card in this range
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Indicates the depth of the SIM card.
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China Unicom
SIM Height
What is the SIM card height?
0.8
inch
0Votes
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Indicates the height of the SIM card.
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China Unicom
Cut-to-Size
Can the SIM be cut to size?
No
0Votes
China Unicom
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Indicates whether the SIM can be trimmed to smaller sizes.
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China Unicom
Nano SIM
Does it support Nano SIM?
No
0Votes
China Unicom
SIM Card in this range
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Indicates support for Nano SIM format.
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China Unicom
Micro SIM
Does it support Micro SIM?
No
0Votes
China Unicom
SIM Card in this range
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Indicates support for Micro SIM format.
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China Unicom
Standard SIM
Does it support Standard SIM?
No
0Votes
China Unicom
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Indicates support for Standard SIM format.
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China Unicom
SIM Edge Finish
What is the SIM edge finish?
0
China Unicom
0
Votes
Smooth
SIM Card in this range
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Describes the finish of the SIM card edges.
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China Unicom
Water Resistance
Is the SIM water resistant?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates resistance to water exposure.
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China Unicom
Heat Resistance
Is the SIM heat resistant?
Yes
0Votes
China Unicom
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Indicates resistance to high temperatures.
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Activation & Management
12
China Unicom
Activation Method
How is the SIM activated?
0
China Unicom
0
Votes
Online
SIM Card in this range
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China Unicom
The activation method for the SIM cards in this category is Online, facilitating quick and convenient activation without the need for physical store visits.
Describes the available methods to activate the SIM.
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China Unicom
Plan Change Flexibility
How flexible are plan changes?
0
China Unicom
0
Votes
Flexible
SIM Card in this range
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China Unicom
The plan change flexibility is Flexible, allowing users to modify their plans according to changing needs without significant restrictions.
Describes how easily plans can be changed.
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China Unicom
Profile Deletion
Can profiles be deleted?
No
0Votes
China Unicom
SIM Card in this range
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China Unicom
Profile deletion feature is not available, meaning the stored user profile on the SIM cannot be removed manually by the user.
Indicates whether profiles can be removed.
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China Unicom
Usage History Access
Is usage history accessible?
Yes
0Votes
China Unicom
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Indicates access to historical usage data.
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China Unicom
Activation Time
How long does activation take?
5
minute
0Votes
SIM Card in this range
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Indicates the typical time required for activation.
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China Unicom
Self-Service Portal Availability
Is there a self-service portal?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows whether a self-service portal is available.
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China Unicom
Mobile App Management
Is there a management app?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates whether a mobile app is provided for management.
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China Unicom
SIM Swap
Is SIM swapping supported?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates support for swapping SIMs between devices.
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China Unicom
Profile Download
Can profiles be downloaded?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows whether profiles can be downloaded to the SIM.
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China Unicom
Re-Activation
Can the SIM be re-activated?
Yes
0Votes
China Unicom
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Indicates whether the SIM can be re-activated.
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China Unicom
Account Linking
Can the SIM be linked to an account?
Yes
0Votes
China Unicom
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Shows whether the SIM can be linked to user accounts.
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China Unicom
Deactivation Process
How is the SIM deactivated?
0
China Unicom
0
Votes
Automatic
SIM Card in this range
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Describes how the SIM card can be deactivated.
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Security & Privacy
15
China Unicom
Security Certification
What security certifications are held?
0
China Unicom
0
Votes
ISO 27001, GSMA SAS, Common Criteria
SIM Card in this range
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China Unicom
This category complies with security certifications including ISO 27001, GSMA SAS, and Common Criteria, ensuring robust information security management and trustworthiness.
Lists recognized security certifications held by the SIM or provider.
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China Unicom
Encryption Standard
What encryption standard is used?
0
China Unicom
0
Votes
AES-128, AES-256, 3DES
SIM Card in this range
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China Unicom
Encryption standards supported include AES-128, AES-256, and 3DES, providing strong data protection mechanisms for secure communication.
Specifies the encryption standards used to protect communications.
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China Unicom
Secure Authentication
Is secure authentication supported?
No
0Votes
China Unicom
SIM Card in this range
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China Unicom
Secure authentication methods beyond the default are not provided, which may affect enhanced security scenarios requiring multi-factor or specialized credentials.
Indicates support for secure network authentication.
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China Unicom
Privacy Policy Transparency
How transparent is the privacy policy?
0
China Unicom
0
Votes
Clear
SIM Card in this range
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China Unicom
Privacy policy transparency is rated as Clear, indicating that users can easily understand how their personal data is handled, which enhances trust and compliance.
Describes how clearly privacy practices are communicated to users.
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China Unicom
User Data Retention Policy
How long is user data retained?
0
China Unicom
0
Votes
Time-Limited
SIM Card in this range
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Explains how long user data is retained by the provider.
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China Unicom
SIM PIN Protection
Is SIM PIN protection available?
No
0Votes
China Unicom
SIM Card in this range
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Indicates whether the SIM supports PIN-based access protection.
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China Unicom
PUK Code Availability
Is a PUK code available?
No
0Votes
China Unicom
SIM Card in this range
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Shows whether a PUK code is provided for recovery.
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China Unicom
Anti-Cloning Protection
Is anti-cloning protection included?
Yes
0Votes
China Unicom
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Shows whether protection against SIM cloning is present.
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China Unicom
Fraud Detection
Is fraud detection supported?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates whether fraud detection mechanisms are in place.
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China Unicom
SIM Lock Protection
Is SIM lock protection available?
No
0Votes
China Unicom
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Shows whether SIM-level locking is supported.
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China Unicom
Remote SIM Deactivation
Can the SIM be remotely deactivated?
Yes
0Votes
China Unicom
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Indicates whether the SIM can be remotely disabled.
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China Unicom
Lost SIM Protection
Is lost SIM protection available?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows safeguards for lost or stolen SIM cards.
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China Unicom
Lawful Intercept Compliance
Is lawful intercept compliance met?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates compliance with lawful intercept regulations.
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China Unicom
Secure OTA Updates
Are OTA updates secure?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows whether over-the-air updates are secured.
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China Unicom
Identity Verification Requirement
Is identity verification required?
Yes
0Votes
China Unicom
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Indicates whether identity verification is required.
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Reliability & Performance
14
China Unicom
Connection Stability Rating
How stable is the connection?
0
China Unicom
0
Votes
Good
SIM Card in this range
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China Unicom
Connection stability rating is Good, which helps maintain consistent data and voice connectivity with minimal interruptions.
Describes how stable the network connection remains during usage.
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China Unicom
Signal Retention Performance
How well is signal retained?
0
China Unicom
0
Votes
Strong
SIM Card in this range
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China Unicom
The SIM card category offers Strong signal retention performance, which helps maintain stable connections even in challenging network conditions.
Indicates how well the SIM maintains signal strength over time.
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China Unicom
Off-Peak Performance
How is off-peak performance?
0
China Unicom
0
Votes
Good
SIM Card in this range
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China Unicom
Off-peak network performance is rated as Good, ensuring satisfactory service quality during lower usage periods.
Indicates performance during low-traffic hours.
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China Unicom
Peak Speed Consistency
Are peak speeds consistent?
0
China Unicom
0
Votes
Consistent
SIM Card in this range
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China Unicom
The peak speed consistency for this SIM card category is described as Consistent, ensuring reliable data speed performance during peak usage times.
Describes how consistent peak data speeds are.
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China Unicom
Call Drop Rate Class
How often are calls dropped?
0
China Unicom
0
Votes
Very Low
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Indicates how frequently calls are dropped during usage.
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China Unicom
Network Congestion Handling
How does it handle network congestion?
0
China Unicom
0
Votes
Good
SIM Card in this range
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Indicates performance during periods of high network traffic.
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China Unicom
Performance Optimization Technology
What performance optimization technologies are used?
0
China Unicom
0
Votes
Carrier Aggregation, Traffic Shaping, Network Slicing, AI Optimization
SIM Card in this range
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Describes technologies used to improve network performance.
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China Unicom
Network Handover Efficiency
How efficient are network handovers?
0
China Unicom
0
Votes
Smooth
SIM Card in this range
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Describes efficiency when switching between cells or networks.
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China Unicom
Data Session Stability
How stable are data sessions?
0
China Unicom
0
Votes
Stable
SIM Card in this range
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Describes reliability of continuous data sessions.
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China Unicom
Reliability in Rural Areas
How reliable is it in rural areas?
0
China Unicom
0
Votes
Fair
SIM Card in this range
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Describes network reliability in rural or remote locations.
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China Unicom
Reliability in Urban Areas
How reliable is it in urban areas?
0
China Unicom
0
Votes
Very Good
SIM Card in this range
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Describes network reliability in urban environments.
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China Unicom
Network Failover
Is network failover supported?
Yes
0Votes
China Unicom
SIM Card in this range
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Indicates support for automatic network failover.
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China Unicom
Performance Monitoring
Can performance be monitored?
Yes
0Votes
China Unicom
SIM Card in this range
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Shows whether performance metrics can be monitored.
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China Unicom
Service Uptime Commitment
Is there an uptime commitment?
0
China Unicom
0
Votes
Standard SLA
SIM Card in this range
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Indicates the level of service uptime commitment provided by the carrier or provider.
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Support, Warranty & Lifecycle
14
China Unicom
Customer Support Availability
When is customer support available?
0
China Unicom
0
Votes
24/7
SIM Card in this range
Who knows?
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China Unicom
Customer support is available 24/7, ensuring users can access help anytime, which is crucial for continuous connectivity and problem resolution.
Indicates when customer support is available.
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China Unicom
Replacement Policy
What is the SIM replacement policy?
0
China Unicom
0
Votes
No Replacement
SIM Card in this range
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China Unicom
The replacement policy is No Replacement, indicating that the SIM cards may not be replaced under standard procedures, which might require careful handling.
Describes the conditions and flexibility for replacing a SIM card.
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China Unicom
Support Channels
What support channels are available?
0
China Unicom
0
Votes
Phone, Email, Chat, Help Center
SIM Card in this range
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China Unicom
Customer support is available through multiple channels including Phone, Email, Chat, and a Help Center, providing users with various options to get assistance.
Lists available customer support channels.
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China Unicom
Customer Satisfaction Rating
What is the customer satisfaction rating?
0
China Unicom
0
Votes
Excellent
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Summarizes overall customer satisfaction based on feedback and reviews.
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China Unicom
SIM Warranty Period
What is the SIM warranty period?
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China Unicom
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Votes
1 Year
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Indicates the length of warranty coverage for the SIM.
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China Unicom
Lost SIM Replacement
Can a lost SIM be replaced?
Yes
0Votes
China Unicom
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Indicates whether lost SIMs can be replaced.
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China Unicom
Documentation Availability
Is documentation available?
Yes
0Votes
China Unicom
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Indicates whether user documentation is provided.
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China Unicom
Setup Guide
Is a setup guide included?
Yes
0Votes
China Unicom
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Shows whether a setup guide is included.
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China Unicom
Troubleshooting Resources
Are troubleshooting resources available?
Yes
0Votes
China Unicom
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Indicates availability of troubleshooting help.
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China Unicom
OTA Update
Are OTA updates supported?
Yes
0Votes
China Unicom
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Indicates whether over-the-air updates are supported.
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China Unicom
End-of-Life Policy
What is the end-of-life policy?
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China Unicom
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Votes
Advance Notice
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Describes how the SIM is handled when it reaches end of life.
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China Unicom
Recycling Program
Is there a SIM recycling program?
Yes
0Votes
China Unicom
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Indicates whether a recycling program is available.
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China Unicom
SIM Deactivation After Inactivity
Is the SIM deactivated after inactivity?
Yes
0Votes
China Unicom
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Indicates whether SIMs are deactivated after inactivity.
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China Unicom
Regulatory Compliance Support
Is regulatory compliance supported?
Yes
0Votes
China Unicom
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Indicates support for regulatory compliance requirements.
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Surveys
Because hot takes deserve votes.
China Unicom
Mobile Data Speed Performance
How would you rate the mobile internet speed delivered by this SIM card during normal daily use?
Blazing fast browsing — Streams and downloads feel instant
0Votes
Very fast performance — Smooth streaming with minimal buffering
0Votes
Decent everyday speed — Handles browsing and social media well
0Votes
Often feels slow — Noticeable delays during use
0Votes
Painfully slow — Frequent buffering and long load times
0Votes
China Unicom
Network Coverage Reach
How well does this SIM card maintain signal coverage in the areas you use most often?
Excellent coverage everywhere — Signal is almost always available
0Votes
Very dependable coverage — Rarely loses signal
0Votes
Acceptable coverage — Works in most common areas
0Votes
Inconsistent coverage — Drops signal in many places
0Votes
Poor coverage overall — Frequently has no signal
0Votes
China Unicom
Call Quality Experience
How clear and stable are voice calls when using this SIM card?
Crystal clear calls — Voices sound natural and stable
0Votes
Very clear calls — Minor issues but still comfortable
0Votes
Mostly clear — Occasional noise or drops
0Votes
Often unclear — Regular distortion or interruptions
0Votes
Hard to use — Calls frequently drop or sound bad
0Votes
China Unicom
Text Messaging Reliability
How reliable is this SIM card when sending and receiving text messages?
Instant and reliable — Messages always send and arrive quickly
0Votes
Very reliable — Rare delays but mostly smooth
0Votes
Generally fine — Occasional delivery delays
0Votes
Often delayed — Messages sometimes fail or arrive late
0Votes
Unreliable — Messages frequently fail to send or receive
0Votes
China Unicom
Data Stability During Use
How stable is the data connection of this SIM card during continuous use?
Rock solid connection — No noticeable drops at all
0Votes
Very stable — Rare and brief interruptions
0Votes
Mostly stable — Occasional disconnects
0Votes
Unstable at times — Frequent connection drops
0Votes
Very unstable — Constant disconnections
0Votes
China Unicom
SIM Card Activation Experience
How smooth was the activation process for this SIM card from start to finish?
Seamless activation — Activated without any issues
0Votes
Smooth process — Minor steps but easy to follow
0Votes
Average experience — Took some time to complete
0Votes
Frustrating setup — Needed retries or support
0Votes
Very frustrating — Activation was difficult or failed
0Votes
China Unicom
Ease of Setup on Devices
How easy was it to install and start using this SIM card on your device?
Effortless setup — Works immediately after insertion
0Votes
Easy to set up — Simple steps with guidance
0Votes
Somewhat confusing — Needed extra effort
0Votes
Difficult setup — Instructions were unclear
0Votes
Very difficult — Setup was stressful and confusing
0Votes
China Unicom
Travel Friendliness
How suitable is this SIM card for travel and use in different locations?
Perfect for travel — Works smoothly across regions
0Votes
Very travel friendly — Minor limitations only
0Votes
Okay for travel — Works but with restrictions
0Votes
Not ideal for travel — Coverage is limited
0Votes
Poor for travel — Barely usable outside one area
0Votes
China Unicom
Overall User Experience
How satisfied are you with the overall day-to-day experience of using this SIM card?
Extremely satisfying — Makes daily use enjoyable
0Votes
Very satisfying — Few complaints overall
0Votes
Neutral experience — Does the job without excitement
0Votes
Supermod
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