Having trouble granting app permissions with screen overlay error? This article guides you on disabling screen overlay on various Oppo models.
I'll use the Oppo F3 for demonstration. Follow these steps:
*Note: You can apply these steps to other Oppo devices experiencing screen overlay issues.
Step 1: Access the security center.

Step 2: Select security permissions.

Step 3: Manage floating window permissions.

Step 4: Disable permissions for all apps using floating windows.

Step 5: Return and select App Permissions Management.

Step 2: Choose the required app and grant permissions to it.

Step 3: After granting permissions, return to the Floating Window Management interface and re-enable permissions for the apps you disabled.

You have successfully disabled screen overlay on Oppo.
Explore more:
>>> Guide to disabling screen overlay
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