=== LOG ===
Waiting For Device Connection... 
USB PORT: SPRD U2S Diag (COM131)
Port: SPRD U2S Diag (COM131)
Manufacturer: UNISOC Communications Inc.
OPEN COM PORT... OK
Waiting for server........ OK
Handshake NAND_FDL... OK
Boot version: SPRD3
Sending payload... OK
Sending preloader... OK
Sending nand_fdl loader... OK
Read Build Prop Info... OK
 Brand: OUKITEL
 Model: C51
 Product: C51
 Manufacturer: OUKITEL
 Android Version: 13
 Security Patch: 2025-12-05
 Build ID: TP1A.220624.014
 Build Date: FRI JAN  9 07:15:09 UTC 2026
 Display ID: OUKITEL_C51_U_EEA_V19_09012026
 Fingerprint: OUKITEL/C51_U_EEA/C51:14/UP1A.231005.007/20260109:USER/RELEASE-KEYS
 Base OS: OUKITEL/C51_U_EEA/C51:14/UP1A.231005.007/20240621:USER/RELEASE-KEYS
 Build: 20260109
Read Internal Storage Info... OK
USERDATA: 14.05 GB
USERDATA: ENCRYPTED
Waiting for server........ OK
Backup important partitions
  Backup persist... OK
RESET FRP... OK
Elapsed Time: 20 secs, 457 msecs