If you are looking for a link, search specifically for these model names + "firmware": FiberHome HG680P TX3 Mini (L2 Version) X96 Mini (L2 Version)

Most users look for firmware to replace the clunky stock interface with a clean Android TV (ATV) experience.

A large archive of factory stock images for various generic brands. 🚀 How to Flash Amlogic S905L2 Firmware