Most MStar-based devices follow a "Forced Upgrade" procedure using a USB drive: INFxx33E - Panel/Android Firmware Update
Files hosted on free file-hosting sites are rarely verified. There is a non-zero risk that a .bin file downloaded from an unverified source could contain corrupted data that bricks the TV, or in rare cases, mstarupgrade.bin free download
Never download a file based solely on the TV brand. Open the back of the TV and find the specific Main Board String printed on the PCB. Most MStar-based devices follow a "Forced Upgrade" procedure
In many MStar-based TV architectures, the system is programmed to look for a file specifically named mstarupgrade.bin on a USB flash drive when attempting a forced firmware update or recovery. If the motherboard finds this file on the USB port while booting up, it initiates a re-flash of the system memory (SPI Flash). In many MStar-based TV architectures, the system is