Download Amazon Fire HDX 8.9″ (3rd Generation) official stock firmware from the link here, and follow the provided flashing instructions to learn how to flash the stock rom.
If you notice that any of the links provided below is broken or doesn’t work, please post in comments section so we fix and update it ASAP.
File Name: update-kindle-18.104.22.168_user_455006120.bin
Size: 890 MB
Firmware Link: – Download
How To Flash Amazon Fire Firmware Update
- Download and copy the .bin update file to your device storage root (not in any folder)
- Swipe down from the top of the screen and then tap Settings.
- Tap Device Options, and then tap System Updates.
- Tap Update. Your Fire Tablet will restart during the software update. After the restart, the message “Installing system update” will appear on the screen.