k800 success repair bling red very easy to use one click all is ok.
Power OFF the phone, connect USB cable holding '2-5'
Connected to USB1
Device identification...OK
Sending Preloader...OK
Identification failed: Failed to start GDFS service, code: 0x04
Chip
B2020 Model:A1 IMEI:35170801853102 CID:49 Domain:BROWN
OTP LOCKED:1 CID:49 PAF:1
Uploading logic DB2020:
Sutting down device...OK
Selected current certificate: A1_DB2020_49_BROWN
Power OFF the phone, connect USB cable holding '2-5'
Connected to USB1
Device identification...OK
Uploading logic DB2020:
Sending ResetLoader...OK
Authenticating with key KIDP96202033...OK
Serial:132F0094934A Free:1000 A1:98 A2:100 Other:0 Blocked:NO
Reseting to factory defaults...OK
Sutting down device...OK
Power OFF the phone, connect USB cable holding '2-5'
Connected to USB1
Device identification...OK
Uploading logic DB2020:
Sending ProductionLoader...OK
Writing EROM...OK
Recompiling security area...OK
Changing certificate to A1_DB2020_49_BROWN...OK
Sutting down device...OK
FINISHED [37sec]