vivo y91 pin lock & frp remove done by umt

Brand : Vivo
Model : Y91
Operation : Format FS
Qt: Untested Windows version 6.2 detected!
Waiting for Phone in BROM Mode...
Connect Power Off phone within 30 secs...
Port : MediaTek PreLoader USB VCOM_V1632 (Android) (COM18)
Connected to BROM.
Sending Download Agent...
connect DA end stage: 2, enable DRAM in 1st DA: 0
Connected to Download Agent..
Driver: MediaTek Inc., usb2ser.sys, 3.0.1504.0
Syncing with Target...
Reading Partition Table...
Reading Device Information...
Brand : vivo
Manufacturer : vivo
Model : vivo 1816
Prod. Name : PD1818GF_EX
Device : PD1818GF_EX
Android Ver. : 8.1.0
Display ID : O11019 release-keys
Patch Level : 2019-01-05
Userdata is ENCRYPTED
Formatting userdata...
Format Done.
Disconnect Battery/Cable and Power On Phone.
[Ver. 1.8]

Brand : Vivo
Model : Y91
Operation : Reset FRP
Qt: Untested Windows version 6.2 detected!
Waiting for Phone in BROM Mode...
Connect Power Off phone within 30 secs...
Port : MediaTek PreLoader USB VCOM_V1632 (Android) (COM18)
Connected to BROM.
Sending Download Agent...
connect DA end stage: 2, enable DRAM in 1st DA: 0
Connected to Download Agent..
Driver: MediaTek Inc., usb2ser.sys, 3.0.1504.0
Syncing with Target...
Reading Partition Table...
Reading Device Information...
Brand : vivo
Manufacturer : vivo
Model : vivo 1816
Prod. Name : PD1818GF_EX
Device : PD1818GF_EX
Android Ver. : 8.1.0
Display ID : O11019 release-keys
Patch Level : 2019-01-05
Userdata is NOT ENCRYPTED
Resetting FRP...
FRP Reset Done.
Disconnect Battery/Cable and Power On Phone.
[Ver. 1.8]