Extract the downloaded Oppo A11 PCHM10 firmware archive using a utility like WinRAR or 7-Zip.
Flashing firmware carries risks. Proceed at your own risk. Ensure your device model is exactly before proceeding. oppo a11 pchm10 firmware verified
While holding the keys, connect the phone to your PC using the USB cable. Release the keys once your PC makes a connection sound. Extract the downloaded Oppo A11 PCHM10 firmware archive