Unzip the contents and copy all files to the of your FAT32 USB drive.
: If you are upgrading from a very old version (like Android 6.0), you may need to use a PC and the SP Flash Tool with a USB A-to-A cable. 4. Post-Update Initialization yt9213aj firmware update better
Updating to a newer, optimized firmware version offers several critical advantages: Unzip the contents and copy all files to
: Many stock versions have a notorious "volume glitch" between levels 17 and 18, which the latest updates typically resolve. Allow it 1–2 minutes to initialize system settings
: Verify your device's ROM name and system parameters in Settings > System Info .
Once the progress bar finishes, the unit will reboot. Allow it 1–2 minutes to initialize system settings before use. You may need to re-verify your MCU version and trigger an MCU update if prompted by the system. YouTube·SetNFix Android Car Stereo Firmware Upgrade : XYAuto
: Keep your car engine running during the update to prevent the battery from dying, which would stop the process mid-way. Step-by-Step Update Guide 1. Locate and Download the Firmware