Software [updated] Download: Tp.mt5510i.pb801
Once the flashing stops or the TV reboots automatically, remove the USB drive and complete the initial Android setup. Pro-Tips for Success
Place the firmware file directly in the main root directory of the USB drive. Do not put it in a folder. Ensure it is named exactly what the board expects (often allupgrade_5510_...bin or similar). Tp.mt5510i.pb801 Software Download
Finally, he found it: a direct download link on a technician's private blog. He saved the file to a worn USB drive, the metal casing warm from his grip. He inserted the drive into the side of the TV, held down the power button, and plugged it in. Once the flashing stops or the TV reboots