If you forgot your Oppo phone passcode or you are having lock issues, you can reset your device to restore it to factory settings. Here's how:

Step 1: Turn off your phone

Press and hold the power button on your Oppo phone to turn it off completely.

Step 2: Press a key combination

To reset your phone without the passcode, you will need to press a specific combination of keys. The combination may vary depending on your Oppo phone model. Common combinations usually include the power button and volume buttons.

Check your Oppo phone's user manual or search online for the correct key combination for your specific model.

Step 3: Enter recovery mode

By pressing the appropriate key combination, you should enter the recovery mode of your Oppo phone. In this mode, you can perform reset actions.

Step 4: Select factory reset option

In recovery mode, use volume buttons to navigate and power button to select options. Look for the Factory reset or "Wipe data/factory reset" option and select it.

Step 5: Confirm reset

Once you select the factory reset option, you will be asked for confirmation. Confirm by selecting "Yes" or "Confirm" to initiate the reset.

Step 6: Wait for the reset

The factory reset process will begin erasing all data on your Oppo phone and restoring it to factory settings. Wait for the reset to complete. This may take a few minutes.

Step 7: Set up your phone

Once the reset is complete, your Oppo phone will restart and you will be prompted to set up your device as when first used. Follow the on-screen instructions to configure your phone with the desired settings.

You have now factory reset your Oppo phone without the passcode and restored to factory settings.