BBK Devices
| Name ▲ | # of frequency bands | Release Date |
|---|---|---|
| BBK Vivo X21 Dual SIM TD-LTE CN 64GB | 4 | March 2018 |
| BBK Vivo X21 Dual SIM TD-LTE HK 128GB | 4 | May 2018 |
| BBK Vivo X21 UD Dual SIM TD-LTE CN 128GB X21UD A | 4 | March 2018 |
| BBK Vivo X21 UD Dual SIM TD-LTE HK SG | 4 | May 2018 |
| BBK Vivo X21 UD Dual SIM TD-LTE IN 1728 | 4 | May 2018 |
| BBK Vivo X21i Dual SIM TD-LTE CN 128GB | 4 | May 2018 |
| BBK Vivo X21i Dual SIM TD-LTE CN 64GB | 4 | May 2018 |
| BBK Vivo X21iA Dual SIM TD-LTE CN 128GB | 4 | May 2018 |
| BBK Vivo X21iA Dual SIM TD-LTE CN 64GB | 4 | May 2018 |
| BBK Vivo X23 Dual SIM TD-LTE CN V1809A | 17 | September 2018 |
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