Microsoft Windows [Version 10.0.19041.508]
(c) 2020 Microsoft Corporation. All rights reserved.

C:\Users\azizi\Desktop\vivo_fastboot_windows_v2>fastboot bbk unlock_vivo
...
FAILED (remote:  unlock fail.)
finished. total time: 0.016s

C:\Users\azizi\Desktop\vivo_fastboot_windows_v2>fastboot vivo_bsp unlock_vivo
...
FAILED (remote:  check Signature Fail)
finished. total time: 0.000s

C:\Users\azizi\Desktop\vivo_fastboot_windows_v2>fastboot oem get_unlock_data
...
FAILED (remote: unknown command)
finished. total time: -0.000s

C:\Users\azizi\Desktop\vivo_fastboot_windows_v2>fastboot oem get_identifier_token
...
FAILED (remote: unknown command)
finished. total time: -0.000s

C:\Users\azizi\Desktop\vivo_fastboot_windows_v2>_