FACTORY RESET Selected Model : Vivo iQOO U1
Code Name : V2023A
Operation : Factory Reset [4]
Authenticating... OK
Retrieving data... OK [305.77 KiB]
Initializing data... OK
Searching for HS-USB QDLoader 9008... COM6
Connection : USB 2.0 High-Speed
USB Driver : [Qualcomm Incorporated] qcusbser - Version : 2.1.2.7
Connecting to device... OK
Handshaking... OK
Reading bootloader info... OK
Serial : 1766495465 SoC : [Snapdragon 720G] [SM7125] [0x001490E1]
OEM : Oppo/Oneplus [0x0051] Model : Unknown [0x0000]
PK_HASH[0] : D9A31A8AF5966A594E587C615A96F9DE
PK_HASH[1] : FD4CF18F86E84D966876706ADA8B3669
Writing flash programmer... FAIL
[Sahara] Unknown command!
UNLOCKTOOL 2021.11.08.0
Elapsed time : 18 seconds
any help