here's the image of my device issue...
PROCEDURE :
-Turn off Device and open UNLOCK TOOL
-Vivo TAB
-Select Exact Model
-Under BROM / EDL click {BROM} FACTORY RESET + FRP
-Insert Cable w/o boot key wait until FInish..
in my case it shows FRP FAIL maybe my patient device doesn't have any..
REBOOT Setup Up and Enjoy...
PROCEDURE :
-Turn off Device and open UNLOCK TOOL
-Vivo TAB
-Select Exact Model
-Under BROM / EDL click {BROM} FACTORY RESET + FRP
-Insert Cable w/o boot key wait until FInish..
in my case it shows FRP FAIL maybe my patient device doesn't have any..
REBOOT Setup Up and Enjoy...