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![Y520-U22 | Y520 [Stock Firmware]](/img/MB5.png)
Y520-U22 | Y520 [Stock Firmware]
- 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 | Region | Size | Buy |
|---|---|---|---|---|---|---|
| U22 | 4.4.2 | 2.3 | C328B116 | C328 | 1.37 GB | |
| U22 | 4.4.2 | 2.3 | C567B111 | C567 | 1.56 GB |