Use a high-quality USB drive formatted to FAT32 .
The TP.MS608.PB831 is a versatile, integrated smart TV mainboard commonly used in Chinese-manufactured LED TVs. MStar MSD6A608 . CPU: ARM Cortex-A9 (Dual Core). GPU: Mali-400 MP. Operating System: Android 4.0. Memory: 512MB RAM. Storage: 4GB NAND Flash.
Once the blinking stops or the TV restarts, remove the USB.
Wait for the LED indicator to blink rapidly, indicating the update is in progress. during this time.