The physical connection (cable or port) isn't stable enough for high-speed data transfer.
: The device must be in a specific "BROM mode" (often achieved by holding Volume buttons while connecting) to be recognized correctly. brom protocol error check device environment
Not all versions of SP Flash Tool speak the same BROM language. The physical connection (cable or port) isn't stable
Request bypass for dimensity8100(mt6895) · Issue #86 - GitHub brom protocol error check device environment