On Android 4.1 and lower, the Developer options screen is available by default, on Android 4.2 and higher, do the following:
1. Open the Settings app
2. Scroll to the bottom and select About phone.
3. Scroll to the bottom and tap Build number 7 times
![USB Debugging USB Debugging](https://www.deskshare.com/forums/images/posts/MSRPpost3774-1.png)
4. Return to the previous screen to find Developer options, turn it ON
5. Scroll down and enable USB debugging.
![USB Debugging USB Debugging](https://www.deskshare.com/forums/images/posts/MSRPpost3744-2.png)
If USB debugging is already enabled and device is not connecting and not listed then:
1. Open the Settings app
2. Search for 'USB Preferences' option
3. Set 'USE USB FOR' to 'PTP' as shown in this screenshot:
![USB Debugging USB Debugging](https://www.deskshare.com/forums/images/posts/MSRPpost3744-3.png)