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In short, USB Debugging is a way for an Android device to communicate with the Android SDK (Software Developer Kit) over a USB connection. It allows an Android device to receive commands, files, and the like from the PC, and allows the PC to pull crucial information like log files from the Android device.
Do I need USB debugging?
Without USB Debugging, you can’t send any advanced commands to your phone via a USB cable. Thus, developers need to enable USB debugging so they can push apps to their devices to test and interact with.
How do I debug my Android phone?
Enabling USB Debugging on an Android Device
- On the device, go to Settings > About <device>.
- 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.