CERTIFIED DEVICE DETAILS
Below are all of the certified versions of this device.
| Manufacturer: | TCL Communication |
| Model Name/Number: | T770B |
| Technologies and Bands: | (4G) E-UTRA CA Downlink: CA_2A-2A CA_2A-4A CA_2A-5A CA_4A-5A CA_4A-7A CA_7A-28A CA_7C CA_66A-66A (4G) E-UTRA TDD: Band 38 Band 40 Band 41 (4G) E-UTRA FDD: Band 1 Band 2 Band 3 Band 4 Band 5 Band 7 Band 8 Band 12 Band 13 Band 17 Band 25 Band 26 Band 28 Band 66 (3G) UMTS FDD: Band I Band II Band IV Band V Band VIII (2G) GSM: 850 MHz 900 MHz 1800 MHz 1900 MHz |
| Certification Date | Hardware Version | Software Version |
|---|---|---|
| 2022-06-23 | 03 | V3.0.8BIC |
| 2022-03-24 | 03 | V3.0.8BHX |
| 2021-11-16 | 03 | V3.0.8BHQ |
| 2021-08-17 | 03 | V3.0.8BHF |
| 2021-05-26 | 03 | V3.0.8BFC |
| 2021-05-11 | 03 | V3.0.8BF7 |
| 2021-04-14 | 03 | V3.0.8BC8 |
| 2021-02-04 | 03 | V3.0.8BBP |
| 2020-12-03 | 03 | v2.0.3C.J.6 |
| 2020-11-19 | 03 | v2.0.3C.J.2 |
| 2020-10-09 | 03 | v2.0.3C.I.M |
| 2020-07-22 | 03 | v2.0.3C.H.T |
| 2020-06-12 | 03 | v2.0.3C.H.C |
| 2020-06-10 | 03 | v2.0.3C.3.T |
The PTCRB certification program provides confidence that devices conform with global standards and perform optimally on mobile wireless networks.
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