The generally comes in two main hardware variants, and finding the correct firmware depends entirely on your specific chipset:
Common in the "H20 Pro" models, often paired with 2GB or 4GB of RAM. Community-driven firmware like Armbian is sometimes used for Linux-based projects on this hardware. h20 tv box firmware
Before downloading any files, you must verify the internal specifications of your device. Installing the wrong firmware can permanently "brick" the box. H20 Smart TV Box The generally comes in