This is the most critical step. Using the wrong MstarUpgrade.bin (even if it's for the same brand) can permanently destroy your TV's mainboard.
Press and on the TV cabinet (not the remote). mstarupgradebin recovery
Some MStar boards are picky about USB drive brands. Use an older USB 2.0 drive if possible. This is the most critical step
You've booted into recovery mode, but the MstarUpgrade.bin file on your USB drive isn't recognized. mstarupgradebin recovery
until the device reboots or the LED stops blinking. 🔧 Advanced: Extracting or Modifying the .bin
The backlight is on, but no image or menu appears.
The TV shows weird behavior, app crashes, or settings refuse to save. Preparing for MstarUpgrade.bin Recovery