Where is Samsung S4 USB debugging? S4 USB Debug Switch

If you want to turn on the hidden developer option, please follow these steps:

1. Under the Standby page, click "Application".



2. Click "Set".



3. Click on "More" and select "About Device".



4. Slide up the screen and click on the "build number" until the prompt "developer mode is enabled".



5. Click the "<" icon to see "Developer Options".



Note: This is done only once and the developer option is not hidden. If you want to hide this option, please back up the important data in your phone, and then restore the factory settings. (Restore factory settings: Set-account-Reset-restore factory settings)