Simple And Easy Way To Remove A Network Blockade From All OPPO. The Service Works For All Networks From All Over The World. The Process Is Easy, Fast, And 100% Secured. If The Device Asks For An Unlock Code It Can Be Unlocked. Enter The OPPO Phone Code According To The Instructions:
1 - Turn ON the OPPO phone.
2 - Enter *#3988691# on the keyboard
3 - A window to enter the code will appear on the screen.