Press and hold the physical on the TV chassis (not the remote).
Power on the TV and repeatedly press the Enter key or Esc key on your keyboard to interrupt the boot cycle. mstar android tv firmware tools
Before downloading tools, you must understand what you are modifying. MStar firmware usually comes as a single large file, often named MstarUpgrade.bin or update.zip . Inside this binary file are several critical partitions: Press and hold the physical on the TV