Firmware Update / Change / Repair in OPPO A37. Turn off phone by the Power button. Hold Volume up and Volume Down buttons in OPPO A37 phone and connect USB cable from computer to phone. Wait few seconds and realise Volume buttons. Open device manager and check if drivers are installed correctly. If not tap on unknown device and press right
PD6z6. 348 337 242 481 274 442 209 129 114