flash bằng P2k_easy_tool_thì báo lỗi thế này

Processing input file:
Processed 7 codegroups
Connecting to phone ...
Connected to: 'Motorola Flash'
Connected OK
Sending RAM loader ...
RAM loader loaded OK
Erase flash...
ERROR: FLASHCMD invalid command response
Error sending ERASE command.
ERROR: Flashing failed