=== LOG ===
Waiting for server.....OK 
Waiting For Device Connection.....OK 
USB PORT: SPRD U2S Diag (COM21) 
Port: SPRD U2S Diag (COM21) 
OPEN COM PORT......OK 
Handshake...OK 
Writing : FDL1........OK 
Boot Block ver:..1.1 
Writing : FDL2........OK 
Auth....Waiting for server.....OK 
Decrypt rsa data....OK 
Send authentication packet........OK 
Disable transcode.......OK 
Enable Raw Data.......OK 
Formatting frp..........OK 
Operation {Reset FRP} ID: 300920BD7FAA90DA 
Elapsed time 00:32 -- Version 5.4.3 Release 0825 Build 648