- All firmware are official and can be use to install via memory card or OTG Flash Drive.
- Be careful to select the appropriate Firmware for your devicemodel, wrong firmware may damage your device.
- Downgrade is not allowed in Huawei devices and may cause difficult problems.
- You can only install the firmware which has the same region with your device.
Model | Android OS | EMUI | Build Number | Security patch | Region | Size | Buy |
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L21B | 10.0.0 | 10.0.0 | 10.0.0.345 (C431E5R4P1) | 01.10.2020 | C431 | 3.73 GB | Buy
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