Keep holding them down until the OPPO logo appears on your screen. As soon as the logo displays, release the Power Button but continue to hold the Volume Down button .

Even with the right steps, you may occasionally hit a snag. Here are quick fixes for common problems:

Type the following command to verify your computer recognizes the device: adb devices Use code with caution. Your phone's serial number should appear on the screen.

Plug your Oppo A58 into your computer using an official or high-quality USB-C cable. A prompt may appear on your phone screen asking to "Allow USB debugging." Tap . Step 4: Open the Command Interface

Type the following command to verify your device is connected: adb devices Use code with caution.

: Back up all photos, contacts, and personal files to cloud storage or an external drive. Fastboot operations (like unlocking the bootloader) will completely wipe your phone.

：解锁 Bootloader 会清除手机所有数据，并可能影响后续的保修权益。

If Developer Options isn't showing in your settings menu, go to → About Phone and tap the Build Number repeatedly (7-10 times) until a message confirms Developer Options have been enabled.