by The steps to enable USB debugging depend on the version of Android running on the target device, as indicated in the below:
Android 4.0 and newer (Jelly Bean)
Enable the USB Debugging option under Settings > Developer options.
For Android 4.2 and newer, Developer options is hidden by default; use the following steps:
- On the device, go to Settings > About Section.
- Tap the Build number seven times to make Settings > Developer options available.
- Then enable the USB Debugging option.Tip: You might also want to enable the Stay awake option, to prevent your Android device from sleeping while plugged into the USB port.
For more information, see Unlocking Jelly Bean and Higher Devices
Kindle Fire devices
Select Settings > Security and set Enable ADB to On.
For more information, see the Amazon documentation.
If you are running Android 4.2.2 or later, you may see the dialog (as shown on top )when you connect your device to your PC.
Click OK to allow USB debugging on your PC. If you accidentally click Cancel, disconnect your device from your PC and connect it back to make the dialog show up again on your device.
