At the very top of the screen, locate the master toggle next to . Tap the switch to turn it Off .

: Useful for connecting to a PC for app development or data transfer. Animation Scales

If you no longer need these advanced settings, or if you want to revert your phone to its factory-default UI configuration, disabling the menu is incredibly simple: Open > Additional Settings > Developer Options .

The Oppo A38 features a smooth 90Hz display. If you want to check if your apps are actually running at maximum smoothness, enable . A real-time counter will appear in the corner of your screen. You can also turn on Profile HWUI rendering to see visual graphs of your phone's GPU performance. 5. Limit Background Processes

Toggle the switch next to USB Debugging to turn it on when connecting to a PC for tools like ADB (Android Debug Bridge). 2. Window, Transition, and Animator Duration Scales

This method does activate Developer Options on its own; it only provides a shortcut after the options have already been unlocked. It is incredibly useful if you plan to access Developer Options frequently, as you can toggle important settings like USB debugging directly from the notification shade.

Once you open the Developer Options menu, you will see a wide range of toggles and settings. Many of them are intended for software developers, but some can be very useful for everyday users. Below are the most relevant and safe options for the average OPPO A38 owner.

Enabling the mode does not automatically open the menu. To access the newly unlocked settings: Go back to the main menu.

A message will appear saying, "You are now in developer mode" or "You are X steps away from being a developer." If prompted, enter your phone's lock screen PIN, password, or pattern.

This forces ColorOS to destroy every app process as soon as you leave it. This is helpful if you want to aggressively free up RAM, though it requires apps to reload completely when reopened. How to Turn Off Developer Options

: Tap on Version (note: this is different from "Android Version").