If the USB method fails or the TV is "stuck on logo," you may need to use a USB-to-USB cable and the Amlogic USB Burning Tool . Load the firmware image file into the tool on your PC.

Provides the Tested Ref50 1366x768 512M firmware (567 MB). Software-Zon: Offers a New Update Version V4.1.0 that includes both HD and Full HD files. Filewale: Hosts a TP.ATM30.PB818 .zip archive updated as recently as March 2026.

Connect the PC to the TV board via USB while holding the recovery/boot trigger (if applicable).

Download all RAR parts and extract them to get the .bin or upgrade files.