1.S3 neo+ i9300i USB Debugging By default is not found on the phone we need in the "app".
2. Inside the "set" click to enter.
3. Furthermore, find the "general" inside, as shown in the following figure.
4. In the Open interface we find "about the device" click on it to enter, details as shown in the figure.
5. Well, you'll now see a "build number" where we have to click it 7 times in a row, prompting "developer mode enabled."
6. Click on the "<" icon.
7. Click "Developer Options".
8. Click "USB Debugging" to hook it up, the screen will be prompted "USB debugging for development purposes only." It can be used to copy data between your computer and the device, install the application on your device without notice and read the record data, and click OK.
All right, if you're done, we're going to be safe for security. We can cancel the selection of USB debugging Ah, of course, if you want to hide the developer mode, we just need to restore the phone factory settings can oh, otherwise it can't be closed.