- 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 | 792 MB | Buy
|
| U22 | 4.4.2 | 2.3 | C328B115 | C328 | 1.11 GB | Buy
|
| U22 | 4.4.2 | 2.3 | C328B113 | C328 | 547 MB | Buy
|
| U22 | 4.4.2 | 2.3 | C328B112 | C328 | 1.28 GB | Buy
|
| U22 | 4.4.2 | 2.3 | C328B111 | C328 | 1.16 GB | Buy
|
| U22 | 4.4.2 | 2.3 | C567B111 | C567 | 1.56 GB | Buy
|
| U22 | 4.4.2 | 2.3 | C328B109 | C328 | 507 MB | Buy
|
| U22 | 4.4.2 | 2.3 | C567B108 | C567 | 684 MB | Buy
|
| U22 | 4.4.2 | 2.3 | C569B104 | C569 | 545 MB | Buy
|
| U22 | 4.4.2 | 2.3 | C569B101 | C569 | 514 MB | Buy
|
![Y520-U22 | Y520 [Stock Firmware]](/img/MB5.png)