BBK vivo Y21T 2021 4G Standard Edition Dual SIM TD-LTE V3 BD 128GB V2135 (BBK V2135) Compatibility on NTT Docomo (Japan) Mobile Network
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BBK vivo Y21T 2021 4G Standard Edition Dual SIM TD-LTE V3 BD 128GB V2135 (BBK V2135) is compatible with 3 out of 12 bands on NTT Docomo (Japan). See the tables below for details.
Frequency Bands Used by NTT Docomo (Japan)
Select a band or interface for more details
UMTS
Compatibility - 1 out of 3 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| UMTS | B1 (2100 MHz) | Yes |
| UMTS | B9 (1800 MHz Japan) | No |
| UMTS | B19 (800 MHz Japan) | No |
Supported UMTS Protocols
| Name | Generation | Supported by device? |
|---|---|---|
| UMTS | 3G | Yes |
| HSPA+ | 3.5G (4G speed) | No |
LTE
Compatibility - 2 out of 6 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| LTE | B1 (2100 MHz) | Yes |
| LTE | B3 (1800 MHz +) | Yes |
| LTE | B19 (800 MHz Upper) | No |
| LTE | B21 (1500 MHz Upper) | No |
| LTE | B28 (700 MHz APT) | No |
| LTE | B42 (TD 3500 MHz) | No |
Supported LTE Protocols
| Name | Generation | Supported by device? |
|---|---|---|
| LTE | 4G | Yes |
| LTE-A | 4G | No |
5G NR
Compatibility - 0 out of 3 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| 5G NR | N78 (3500 MHz) | No |
| 5G NR | N79 (4700 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.
