Xillion X400
Xillion X400 is a Xillion firmware file listed under Xillion, distributed as Xillion_X400_MT6582_V09_150722.zip with a download size of 666 MB. It was published on June 16, 2026. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About Xillion X400
Sometimes a clean firmware install is the best fix for a misbehaving phone. For Xillion X400 owners, this page hosts the original Xillion stock ROM and the key file details. Whether an update corrupted the system or a root attempt went wrong, the factory ROM puts the Xillion X400 back to square one. File Name: Xillion_X400_MT6582_V09_150722.zip File Size: 666 MB Before flashing, back up your data (the process wipes the device), charge above 50 percent, and install the correct USB drivers on your computer. When it finishes, the Xillion X400 restarts with clean factory software. Match the firmware to your variant and follow each step in order.
File Details
| File name | Xillion X400 |
|---|---|
| Package | Xillion_X400_MT6582_V09_150722.zip |
| Brand / Platform | Xillion |
| Category | Xillion |
| File size | 666 MB |
| Date added | June 16, 2026 |
| Price | Free |
How to use this file
- Confirm Xillion X400 matches your exact device model and that it is intended for Xillion hardware.
- Back up your personal data, as flashing firmware can erase the device.
- Download the file (666 MB) using the button above.
- Use the appropriate flashing tool for your platform and follow the on-screen steps.
- Keep the device charged and connected until the process completes.
Frequently asked questions
Is Xillion X400 free to download?
Yes, Xillion X400 can be downloaded free of charge from this page.
How large is the download?
The Xillion X400 package is 666 MB.
Which devices is this firmware for?
This file is intended for Xillion devices. Always confirm it matches your specific model before flashing.