BBK Vivo X21i Dual SIM TD-LTE CN 128GB Compatibility on SK Telecom (South Korea) Mobile Network
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Device Model
BBK Vivo X21i Dual SIM TD-LTE CN 128GB
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Carrier
SK Telecom
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Country
South Korea 
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BBK Vivo X21i Dual SIM TD-LTE CN 128GB is compatible with 0 out of 7 bands on SK Telecom (South Korea). See the tables below for details.
Frequency Bands Used by SK Telecom (South Korea)
Select a band or interface for more details
UMTS
Compatibility - 0 out of 1 band supported
| Interface | Name | Supported by device? |
|---|---|---|
| UMTS | B1 (2100 MHz) | No |
LTE
Compatibility - 0 out of 4 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| LTE | B1 (2100 MHz) | No |
| LTE | B3 (1800 MHz +) | No |
| LTE | B5 (850 MHz) | No |
| LTE | B7 (2600 MHz) | No |
5G NR
Compatibility - 0 out of 2 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| 5G NR | N78 (3500 MHz) | No |
| 5G NR | N257 (mmWave 28 GHz) | No |
* A matching frequency band does not guarantee coverage. There may be additional network or device software restrictions that prevent a device from connecting on a certain frequency. Additionally, certain bands may only be available regionally within a country.
