***Disassemble phone and detach logic board.
***Remove sealed metal portion of the board.
***Solder test point area with single insolated thin wire at least 3 inches & follow the picture below.
***Attach again logic board to the phone with screw and connect the 3 flexes battery, lcd & usb.
***Open MRT Software exe.
***Click tab MRT 2.60 at the right side.
***Select tab MTK Special Tool.
***Tick Format[Unlock] at Operation Option.
***Tick OPPO only at Global Option.
***Click Start and hold volum up and connect T.P. wire shortly to ground & insert USB cable.
***Wait until corresponding operation completed.
***Tick again Erase FRP at Operation Option & follow same procedures.
***Wait again until corresponding operation completed.
Regards,
GFC
***Remove sealed metal portion of the board.
***Solder test point area with single insolated thin wire at least 3 inches & follow the picture below.
***Attach again logic board to the phone with screw and connect the 3 flexes battery, lcd & usb.
***Open MRT Software exe.
***Click tab MRT 2.60 at the right side.
***Select tab MTK Special Tool.
***Tick Format[Unlock] at Operation Option.
***Tick OPPO only at Global Option.
***Click Start and hold volum up and connect T.P. wire shortly to ground & insert USB cable.
***Wait until corresponding operation completed.
***Tick again Erase FRP at Operation Option & follow same procedures.
***Wait again until corresponding operation completed.
Regards,
GFC