
The download option is available with a Month Pass or higher
| Source | Reliability |
|--------|-------------|
| Your reseller/seller (Alibaba, Amazon) | Highest (ask them directly) |
| 4PDA forum (YT9213AJ thread) | High (with translator) |
| XDA Developers – Android Auto subforum | Medium |
| "MCU" updates from hvdzd user on XDA | High for TS907 units |
Directory Structure: The update app will look for a standardized folder structure on the USB drive to automate the process: yt9213aj firmware update better
/USB_Storage/
└── YT9213_Update/
├── update.zip
└── meta_data.json (contains version, checksum, hw_id)
The Recovery Script (Concept):
The updater-script will be modified to include assert commands: Delta Updates: For small patches (e
# Example logic for the updater-script
assert(getprop("ro.hardware.lcd") == "DSI_720P_0806");
assert(package_extract_file("boot.img", "/dev/block/bootdevice/by-name/boot"));
ui_print("Kernel updated successfully. Proceeding to system...");