The firmware installation process will completely wipe your device's internal storage. Ensure you back up all critical data, including: Personal files, photos, and documents Application data and login credentials Configuration settings and system preferences 2. Check Battery and Power Supply

A: Short the boot recovery pins (see device schematic). Then re-flash a working image. If no recovery, you may need an external SPI programmer like CH341A.

After download, compute the hash:

Review the confirmation prompt carefully and click Apply or Proceed with Upgrade . 5. Post-Installation Verification and Troubleshooting

Ensure your computer has local administrative rights to install required device drivers and software utilities. 2. Downloading and Verifying Firmware Files

Once you have downloaded the correct firmware file, follow these steps: