=== LOG ===
Waiting for server.....OK 
Waiting For Device Connection.....OK 
USB PORT: SPRD U2S Diag (COM10) 
Port: SPRD U2S Diag (COM10) 
OPEN COM PORT......OK 
Handshake...OK 
Enter Diag Mode......OK 
Waiting For Device Connection......OK 
USB PORT: (COM10) 
OPEN COM PORT......OK 
Handshake...OK 
Read Device Info......OK 
CALME_C88_V19_26092019_11:39 
Project Version:SC6531EFM_BAR 
BASE Version:BASE_SVN 
HW Version(Auto):SC6531EFM_BAR 
buildtime:09-26-2019 11 
Write imei...OK 
Operation {Repair IMEI} ID: FF2AC6772744F848 
Elapsed time 00:21 -- Version 5.4.4 Release 0825 Build 648