Download the latest XBO X21 firmware (Stock ROM) to resolve bootloop and unbrick your device. This package contains the Flashing Utility, USB Driver, and visual instructions. File Size: 592 MB.
Download XBO X21 Flash File
📂 XBO X21 ROM Details
| File Name | XBO_X21_MT6572_4.4.2(Flash-Files.Net).zip |
| Device Model | XBO X21 |
| Android Version | 4.4.2 |
| Flash Method | Guide How to Flash Firmware |
| Size | 592 MB |
| Flash Tool | |
| Mirrors |
🛠️ Essential Tools
Installation Guide: XBO X21
Use this guide to flash the firmware on your XBO X21 correctly. Make sure your battery is charged.
Phase 1: Setup
Get the firmware and extract it on your PC. Verify that you have the Flash Tool and USB Drivers inside the folder.
Phase 2: Drivers
Setup the provided USB Drivers so your computer detects the XBO X21.
Phase 3: Installation
Launch the Flash Tool, load the firmware file, and plug in your device in download mode. Click "Start" to commence flashing.
Frequently Asked Questions
Is this XBO X21 firmware official?
Yes, the firmware provided here is 100% official from the manufacturer for XBO X21.
Does flashing XBO X21 delete data?
Yes, flashing XBO X21 stock firmware typically wipes user data. Please backup your data before proceeding.
What is the XBO X21 file size?
The XBO X21 firmware file size is 592 MB. Make sure you have enough storage space.
Are the download links safe?
Yes, all download links provided are 100% safe and scanned for malware. We provide direct links to official firmware files.
If you face any problem installing XBO X21, kindly leave a comment below.
