Relock Bootloader G-Tab G-TAB F20 (F20) — EFT Pro

=== LOG ===
Waiting For Device Connection... 
USB PORT: ‪SPRD U2S Diag (COM72)‬
Port: ‪SPRD U2S Diag (COM72)‬
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: G-TAB
 Model: F20
 Product: F20
 Manufacturer: G-TAB
 Android Version: 8.1.0 (Oreo)
 Security Patch: 2019-08-05
 Build ID: OPM2.171019.012
 Build Date: 2021Ź´ 12ÆŒˆ 31Æ—¥ ƘŸÆŒŸÄº” 16:50:28 CST
 Display ID: F20_G-TAB_V1.0_20211215
 Fingerprint: BMXC/ST-920/ST-920:8.1.0/OPM2.171019.012/VGC100001:USER/RELEASE-KEYS
 Build: VGC210004
Read Internal Storage Info... OK
USERDATA: 12.53 GB
USERDATA: ENCRYPTED
Preparing... OK
Relocking bootloader... OK
Patching vbmeta... OK
Rebooting... OK
Elapsed Time: 19 secs, 512 msecs