Here’s something every owner needs to know immediately: I don’t say this to alarm you—it’s just how these Chinese head units operate.
Here is a quick reference table for common identifiers:
If your device has a YT9216 or YT9217 build number, you can get the files directly from the factory distribution servers.
Before you start, make sure to:
If your unit is stuck in a boot loop but otherwise functional, you may need to force the update: mtk 8227l firmware link
Ensure all partitions (PRELOADER, BOOT, SYSTEM, recovery, etc.) are checked.
A yellow progress bar will appear. Wait until a green checkmark circle pops up indicating a successful flash.
This usually means the MTK VCOM drivers are not installed correctly on Windows, or the USB cable is plugged into an incompatible port. Use USB 2.0 ports instead of USB 3.0.
If you own a Chinese Android head unit (often sold as "Tesla Style," "10.1 inch Quad Core," or "Android 10/13"), chances are it runs on the chipset. It’s reliable, cheap, and widely cloned—but finding the correct firmware is a nightmare. Here’s something every owner needs to know immediately:
Launch flash_tool.exe . Click on the Choosing button next to the "Scatter-loading File" field. Browse to your extracted firmware folder and select the MTXXXX_Android_scatter.txt file.
In the or Scatter-loading File section, click "Choose".
: Go to Settings > System Info . Note the ROM name and kernel version to ensure you download the matching firmware. Prepare the USB : Format a blank USB flash drive to FAT32 .
⚠️ Before downloading any firmware, read your current system info. Go to Settings → About Device and note: A yellow progress bar will appear
: This method can permanently destroy your device if performed incorrectly. Do not proceed unless you understand the risks and have a complete backup.
This is the most exhaustive archive on the internet for MTK car stereos. You will need a browser translator, but their MTK8227L megathreads contain firmware links for almost every niche board variation, custom recoveries (TWRP), and stock rollbacks.
Usually starts with YT9216 , YT9217 , YT9218 , or XY AUTO .
Always attempt to back up your existing firmware ( MT6580_Android_scatter.txt or similar, depending on the mapping) using MTK Droid Tools before flashing a new image. Step-by-Step Installation Guide (SP Flash Tool Method)