(or the similar PB818/819) motherboard. This board, commonly found in Sony Plus and various budget 4K smart TVs, uses an Amlogic chipset
Updating the smart TV board requires more than a simple USB stick; you typically need the Amlogic USB Burning Tool . This board is known for "logo hang" issues that often can't be fixed via standard USB update methods. Technical Quick-Fix tpatm30pb801 software upd