If you are trying to fix a specific performance issue on your phone, let me know (e.g., lag, battery drain, or connectivity issues). I can recommend the exact developer settings to adjust or suggest alternative troubleshooting steps . Share public link

Ensure you have already activated Developer Options using Method 1 or Method 2.

A: This sometimes happens after a system update or restart. Simply toggle the master switch at the top of the Developer Options screen ON, and all the grayed-out options will become available again.

Once unlocked, the menu is not visible on the main settings page. To find it: Go back to the main menu. Select Additional settings .

Before proceeding, ensure the following:

: Scroll to the bottom of the main menu and select About device .

Unlock your Oppo A38 and open the Settings app.

With great power comes great responsibility. While toggling options in this menu won't break your phone, it's crucial to handle them with care.

If you no longer need these tools, you can easily hide the menu again:

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Scroll to the bottom of the list, and you will now see listed. Key Developer Options to Know

You can change these from 1x to 0.5x to make your phone feel faster and more responsive.

Once activated, the Developer Options menu does not stay in the "About Device" section. It moves to a separate administrative menu. To find it: Go back to the main page.