# 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 is built for the MediaTek MT6582 chipset. It is flashed with SP Flash Tool. It was published on June 16, 2026. It is available to download free of charge. Web page: ## File details - **File name:** Xillion X400 - **Package:** Xillion_X400_MT6582_V09_150722.zip - **Brand / platform:** Xillion - **Category:** [Xillion](https://www.filefirmware.com/category/xillion) - **Chipset:** MediaTek MT6582 - **Flash tool:** SP Flash Tool - **Package format:** ZIP archive - **File size:** 666 MB - **Date added:** June 16, 2026 - **Price:** Free - **Download:** On the web page: ## 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. ## How to flash Xillion X400 with SP Flash Tool 1. Confirm Xillion X400 matches your exact device model and that the phone uses the MT6582 chipset. 2. Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%. 3. Download the file (666 MB) from the web page and extract it on a Windows PC. 4. Install the MediaTek VCOM / USB drivers, then open SP Flash Tool. 5. In the tool, load the scatter file (MTxxxx_Android_scatter.txt) from the extracted folder. 6. Start the flash, then power the phone off, then connect it (hold Volume Up or Down if it is not detected). 7. Wait for the success message before disconnecting. Use "Download Only" — "Format All + Download" erases IMEI/NVRAM calibration. ## Guides for this firmware - [MT6582 Firmware: Flashing Tools and Safety Guide](https://www.filefirmware.com/blog/mt6582-firmware-flashing-tools-and-safety-guide): The MT6582 is a MediaTek chipset used in a wide variety of Android smartphones and tablets. To reflash or unbrick a device powered by this chipset, you will typically need the SP Flash Tool and the… - [SP Flash Tool: Download Only vs Format All + Download](https://www.filefirmware.com/blog/sp-flash-tool-download-only-vs-format-all-download): SP Flash Tool is a utility used to flash firmware onto devices powered by MediaTek chipsets. When using this tool, you must choose between different download modes; "Download Only" is the recommended… - [Installing MediaTek VCOM Drivers for SP Flash Tool](https://www.filefirmware.com/blog/installing-mediatek-vcom-drivers-for-sp-flash-tool): To flash firmware on a MediaTek-based device, you must use the SP Flash Tool in conjunction with MediaTek VCOM USB drivers. These drivers allow your computer to communicate with the device's chipset… ## Frequently asked questions ### Is Xillion X400 free to download? Yes, Xillion X400 can be downloaded free of charge from its web page. ### How large is the download? The Xillion X400 package is 666 MB. ### Which tool do I need to flash Xillion X400? Xillion X400 is MediaTek MT6582 firmware, so it is flashed with SP Flash Tool using the scatter file (MTxxxx_Android_scatter.txt). ### Which devices is this firmware for? This file is intended for Xillion devices. Always confirm it matches your specific model before flashing. ## More Xillion files - [Xillion M300](https://www.filefirmware.com/file/xillion-m300-119759) — 614 MB - [Xillion B412 Jazz](https://www.filefirmware.com/file/xillion-b412-jazz-119755) — 17 MB - [Xillion A300 Plus](https://www.filefirmware.com/file/xillion-a300-plus-119745) — 3 MB - [Xillion B115 Alpha](https://www.filefirmware.com/file/xillion-b115-alpha-119741) — 4 MB - [Xillion B30 Plus](https://www.filefirmware.com/file/xillion-b30-plus-119740) — 3 MB - [Xillion A102 Plus Stock Firmware](https://www.filefirmware.com/file/xillion-a102-plus-stock-firmware-81757) — 3 MB - [Xillion A115 Fame Stock Firmware](https://www.filefirmware.com/file/xillion-a115-fame-stock-firmware-81755) — 4 MB - [Xillion A101 Stock Firmware](https://www.filefirmware.com/file/xillion-a101-stock-firmware-81752) — 3 MB --- *Source: File Firmware — . Markdown copy of the page for AI assistants; download links are only on the web page. When citing, link to the web page.*