Relock Bootloader ALPS A16 (A_16) — EFT Pro

=== LOG ===
Waiting For Device Connection... 
USB PORT: SPRD U2S Diag (COM24)
Port: SPRD U2S Diag (COM24)
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: ALPS
 Model: A16
 Product: A16
 Manufacturer: ALPS
 Android Version: 8.1.0 (Oreo)
 Security Patch: 2023-10-10
 Build ID: OPM2.171019.012
 Build Date: FRI SEP 12 11:59:42 CST 2025
 Display ID: OPM2.171019.012 RELEASE-KEYS
 Fingerprint: SPRD/SP7731E_1H10_NATIVE/SP7731E_1H10:8.1.0/OPM2.171019.012/36511:USER/RELEASE-KEYS
 Build: 36511
Read Internal Storage Info... OK
USERDATA: 10.93 GB
USERDATA: ENCRYPTED
Preparing... OK
Relocking bootloader... OK
Patching vbmeta... OK
Rebooting... OK
Elapsed Time: 21 secs, 250 msecs