Open Settings
Tap System
Tap Developer options
Turn off the Developer options toggle
If needed, go back to Settings and confirm Developer options is no longer available
If the toggle is not visible, use the search bar in Settings and search for Developer options
On some phones, tap Additional settings or Advanced settings first
If you want to fully reset it, go to Settings
Tap Apps
Find Settings
Tap Storage
Clear data or clear storage
Reopen Settings and confirm Developer options is disabled