USB-to-TTL adapter, MStar flash tool ( MSTV_Tool.exe or mstar-bin-tool from Linux).
Turn on the main power switch while continuing to hold until "Upgrade in Progress" appears. Method B (Arrow/Power Button): Mstarupgrade.bin Recovery
The Mstarupgrade.bin file is not a simple container or archive. It is a multi-part, structural binary configuration specific to Mstar SoC (System on Chip) architectures. USB-to-TTL adapter, MStar flash tool ( MSTV_Tool
The MstarUpgrade.bin file is an all-in-one compiled firmware container designed specifically for MStar processors. It handles fundamental level recoveries rather than simple application updates. Mstarupgrade.bin Recovery