Enable adb bridge on android smart devices
Android Debugging Bridge “ADB”, is a command-line utility included with Google’s Android SDK. ADB can control your device over USB from a computer, copy files back and forth, install and uninstall apps, run shell commands, and more.
1-Go to setting^^about phone^^Build Number.
2-Press 7 times on build number.
3-Now you activate developer options
4-Go back to settings main menu
5-Scroll down to bottom, You will see Developer options
6-Enter, Enable USB Debugging.
7-Attach your phone to computer.
8-A window will pop up, make sure to check the little box, as described in the image
Now you are connected to your device, you can perform any operation need ADB Activation.