Vivo v7 plus pattern removed using umt
Need to open phone back cover for the test point
Run umt qc fire v5.5
Click read & tools
Select brand = vivo
Select model = v7 plus
Click format fs
Phone battery must be disconnected, connect test point using twizzer and connect usb cable to phone
Software runs auto, remove twizzer
Follow on-screen instruction
Wait till operation finished.
Need to open phone back cover for the test point
Run umt qc fire v5.5
Click read & tools
Select brand = vivo
Select model = v7 plus
Click format fs
Phone battery must be disconnected, connect test point using twizzer and connect usb cable to phone
Software runs auto, remove twizzer
Follow on-screen instruction
Wait till operation finished.