Have you ever wonder how to find hidden functions in OPPO A3s? By using this tutorial you can unlock OPPO Developer Settings. Check out how to enable developer options and use secret options of Android 8.1 Oreo.
Start the whole process from the unlocking the OPPO A3s and opening the Settings options.
Secondly, choose About phone in order to get into advanced settings.
Now, simply pick Status.
At this moment, tap a couple of times on the Version to unlock the developer settings.
Lovely! Developer Options are unlocked. Now, you can manage these developer settings by enabling OEM Unlock and USB Debugging.