Firmware !!top!!: T.mt5522.81

The Factory Service Menu overlay will appear on your screen. Critical Tweaks inside the Service Menu:

Universal Smart LED TV Board (Three-in-One: Power Supply, LED Driver, and Mainboard integrated) Processor (CPU): ARM Cortex-A53 Quad-Core T.mt5522.81 Firmware

The most common, non-invasive recovery method is using a standard USB flash drive. Follow these explicit steps to execute a successful system recovery. Prerequisites The Factory Service Menu overlay will appear on your screen