- 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 | Build Number | Security patch | Region | Size | Buy |
|---|
| 721U | 4.3 | C323B008 | – | C323 | 608 MB | Buy
|
| 721U | 4.3 | C199B003 | – | C199 | 564 MB | Buy
|
| 721U | 4.3 | C314B002 | – | C314 | 628 MB | Buy
|
| 721U | 4.2 | C500B021 | – | C500 | 586 MB | Buy
|
![S7-721U | MediaPad 7 Youth 2 [Stock Firmware]](/img/MB5.png)