Stock Firmware | ZTE How To Flash XBO U4 Firmware [Stock ROM] Monday, May 21 2018 2:34PMWednesday, Mar 20 2024 7:06PM
![How To Flash XBO U4 Firmware [Stock ROM]](https://aiomobilestuff.com/wp-content/uploads/2018/05/XBO-U4-MT6580-Android-5.1-Official-Firmware-Flash-Files.png "How To Flash XBO U4 Firmware [Stock ROM]")
