Enable on your phone (found in Settings > About Device > Version > tap "Build Number" 7 times, then go to Additional Settings > Developer Options). Connect your phone to your PC via a USB cable.
: Use the Volume buttons to scroll through the menu and the Power button to confirm your selection. Method 2: Entering via Recovery Mode how to open fastboot mode on oppo a58
Note : On some OPPO models, the combination may instead be . If the first combination leads to Recovery Mode, try this one. Method 2: ADB Command (Via Computer) Enable on your phone (found in Settings >