Dump your backup firmware (SD card) - roleoroleo/yi-hack-Allwinner GitHub Wiki

If you want to backup your firmware without connect a serial cable, use this package: backup.tar.gz

1. Decompress the file int the root folder of your SD card.
2. Insert the SD card in to the cam.
3. Power on the cam.
4. Wait for a reboot (1/2 minutes).
5. Extract the SD card.
6. You will find a backup in the /backup folder.