Solved Huawei y9 prime Stk-l21mdv reset frp new security

[sarmad_chand]

[USB 1.0] ERASE FRP Selected Model : HiSilicon Kirin 710F UFS
Code Name : Hi710f_Unlocked_Ufs
Operation : Kirin Testpoint [2]
Authenticating... OK
Retrieving data... OK [4.69 MiB]
Scanning port... COM91
Connecting to port... OK
Connection : USB 1.0 Full-Speed
USB Driver : [HUAWEI Incorporated] HSPL_usbvcom - Version : 2.0.7.1
Initializing... OK
Writing patch1... OK 1.717s
Writing patch2... OK 0.264s
Writing patch3... OK 0.513s
Reading partition map... OK [67]
Searching for bootloader key... OK [3:10485760:5242880]
Patching bootloader... OK
Please disconnect device and enter testpoint again!
Scanning port... COM91
Connecting to port... OK
Connection : USB 1.0 Full-Speed
USB Driver : [HUAWEI Incorporated] HSPL_usbvcom - Version : 2.0.7.1
Writing sec_usb_xloader... OK 1.282s
Writing sec_usb_xloader2... OK 0.316s
Writing sec_unlock2... OK 0.017s
Writing sec_unlock3... OK 0.138s
Writing sec_fastboot... OK 36.143s
Waiting for fastboot... OK
Product Model : STK-L21
Erasing FRP... OK
UNLOCKTOOL 2022.03.21.0
Elapsed time : 1 minute 49 seconds