=== LOG ===
Waiting For Device Connection... 
USB PORT: SPRD U2S Diag (COM5)
Port: SPRD U2S Diag (COM5)
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: ITEL
 Model: ITEL S661W
 Product: S661W
 Manufacturer: ITEL
 Market Name: ITEL S17
 Android Version: 11 (Android 11)
 Security Patch: 2021-12-05
 Build ID: RP1A.201005.001
 Build Date: MON DEC 13 15:22:34 CST 2021
 Display ID: S661W-F3118-11.0-OP-V031-20211213
 Fingerprint: ITEL/F3118/ITEL-S661W:11/RP1A.201005.001/OP-V031-20211213:USER/RELEASE-KEYS
 Build: 209
Read Internal Storage Info... OK
USERDATA: 11.24 GB
USERDATA: ENCRYPTED
Waiting for server........ OK
Backup important partitions
  Backup persist... OK
RESET FRP... OK
Rebooting... OK
Elapsed Time: 21 secs, 982 msecs