The original version of rbox’s Fire TV bootloader unlocking script had an issue which caused it to fail without notice on some Fire TVs. He has fixed the issue and uploaded a new version of his utility. Here is a simple way to determine if your Fire TV’s bootloader is fully unlocked or not, so that you know if you need to redo the unlocking procedure.
- Connect to your Fire TV via ADB.
- Run the command:
- If your Fire TV’s bootloader is fully unlocked, you will see
root@androidon the screen. If your Fire TV’s bootloader is locked or partially unlocked, you will see shell@androidon the screen.
- To double check, you should now run the command:
If your bootloader is fully unlocked, you will see
androidboot.unlocked_kernel=trueamong the printed text.
If you already went through the unlocking guide but your Fire TV is not unlocked, then you should: