What you need
- Usb cable
- Connect you phone to Computer
Step 1 : Connect your device to the computer
(Video Tutorial of Step 2 & Step 3):
Step 2 : Open Developer options
On Android 4.2 and higher, the Developer options screen is hidden by default.
To make it visible, go to Settings > About phone and tap Build number seven times.
Return to the previous screen to find Developer options at the bottom.
Step 3 : Enable USB debugging.
Open your phone’s system Settings-> Developer options ->USB debugging