: Connecting the phone to a computer via USB while holding the Volume Up and Volume Down buttons simultaneously to trigger the correct flashing mode. Alternatives to Flashing
Download the Oppo A57 CPH1701EX-11-A.35 zip package and extract it to a folder on your desktop using WinRAR or 7-Zip. Step 2: Install Drivers
: Connecting the phone to a computer via USB while holding the Volume Up and Volume Down buttons simultaneously to trigger the correct flashing mode. Alternatives to Flashing
Download the Oppo A57 CPH1701EX-11-A.35 zip package and extract it to a folder on your desktop using WinRAR or 7-Zip. Step 2: Install Drivers