Welcome to today’s guide on how to download XBO U4 Firmware Flash File and how to install the stock ROM on your phone.
This file can help you reset your phone for bootloop, password reset, hanging, and fix many other problems.
This file is strictly for only XBO U4.
Firmware name: XBO_U4_MT6580_20180420_5.1.zip
XBO Model: XBO U4
Android version: 5.1
File Size: 492MB