Do you have access to a computer running or a live USB environment?

Swipe the slider at the bottom to erase the Amazon software framework. Step 3: Flashing the Custom ROM and GApps

: Block automatic Amazon updates that might remove these modifications in the future. Why are there no ROMs? Locked Bootloader

Since flashing a traditional custom ROM is not natively possible, the Android developer community created a powerful alternative: .

Easily replace the Amazon launcher with a custom launcher like Nova or Niagara, which brings a standard Android feel, widgets, and custom icons.

If you want to proceed with modifying your device, let me know:

If your device becomes unresponsive during the process (hard brick), you must let the battery drain completely, hold the Volume Down button, and reconnect it to a Linux terminal running the bootloader script to reset the boot-rom state.