Leave a comment below (with your TV model and firmware version) to help the community.
Rename the file to allupgrade_ms.bin or the specific name required by your board (refer to the download instructions). The Flashing Process: Turn off the TV and unplug it from the wall. mstar android tv firmware download
A TV repair shop with an can flash firmware directly to the NAND chip, bypassing USB errors. Leave a comment below (with your TV model