Hidden in your Android phone's developer options is the USB debugging switch. This useful setting is designed to let Android developers send data and commands between a computer and their phone, but ...

USB debugging is among the advanced Android features hidden in the Developer Options menu. When enabled, this feature will allow an Android phone to communicate with a computer over a USB connection.

If you wish to copy newly programmed apps to your device to test via USB, enable USB debugging on Galaxy A20. USB debugging on Samsung android devices is a developer mode that allows the device to ...