: Go to Settings > System > System Upgrade and select the USB source. 2. SP Flash Tool Method (For Bricked Units)
: If your unit is from a known brand like Joying , ESSGOO , or Xtrons , use their official support pages to download the correct .zip or .bin files. sp7731e 1h10 native firmware link
If your unit is stuck in a boot loop, you must use a PC and the . : Go to Settings > System > System
: If the unit doesn't auto-detect the file, place it in a folder path: mntd/media_rww/udisk/update.zip . sp7731e 1h10 native firmware link