If you are looking for specific builds, community members frequently use: Pixel OS (GSI) : For the best visual aesthetic and Google features.

This is mandatory. Enable OEM Unlocking in Developer Options and follow the physical button sequence (usually holding Volume Up/Down while connecting to a PC) to unlock the bootloader.

A copy of your tablet's matching stock firmware file to extract underlying files if recovery scenarios arise.

Many budget boxes like the SMX200 ship with a clunky, phone-like interface on a TV. A patched custom ROM often includes a launcher optimized for a 10-foot viewing distance, such as the stock Android TV launcher or popular alternatives like ATV Launcher, transforming the user experience.