If none of the methods work, consider these common issues:
simultaneously, then slide the on-screen slider to power off the device completely. Key Combination : Once the screen is black, press and hold the Power button Volume Up button at the same time. Enter Fastboot : Continue holding both buttons until the Fastboot Mode screen appears. Release Buttons How to Open Fastboot Mode on OPPO A58
On most modern OPPO devices, Fastboot is accessed via the "Fastboot" or "Bootloader" option within the Recovery menu. Follow these steps: If none of the methods work, consider these