For most of the Android users, it would be a new thing to learn and read about USB debugging. If you are flashing your Android phone or updating its firmware, this is the primary connection to facilitate a mobile connection with Computer. This not only helps you to root your android device but also manage to send some important commands to your android phone as well. In simple words, by enabling USB debugging you can communicate your device whenever you want.
Anyhow, when you buy a new mobile device, this option by default remains to disable, there is the option if you make this enable all the time, someone could install some malware or your privacy would be at the risk. So, when you are using this option make this enable and after that do not forget to disable the option. You can manually enable debugging option, for different android version there is a different pattern of enabling. We would like to walk through you with this topic, to guide you how to enable USB debugging on your android phone.
Developer option is the most useful and most risky option at the same time; one can access your mobile phone by using a PC and monitor you. If you are Installing ROM or updating your firmware you need to enable USB debugging first, then you would be able to do any further task. So, first you will enable developer option, and then you will enable USB debugging. You can do the further task by enabling developer option like monitoring your CPU usage on screen or checking bugs reports on screen.
About in all different version of Android has developer option visible, you need to follow these step to developer option.
In the older version of Android, there is little difference
By seeing some bad use of this option by some hackers, in Android 4.1, 4.2 this option by default has been hidden. Now you need to follow some lengthy steps to enable developer option
First, open setting >about on your Android version 4.2
Now scroll down and find a build number of your Android as mentioned in the image
Then tap 7 times on this build number
After completing the taping, there will be an option you are developer now
Now go back to your setting menu in the main setting
Scroll down, now you will see developer option, check the USB debugging enable
After using your connection with computer, you can uncheck the option to disable USB debugging
In every mobile phone which you are using, there might be a little difference, like in HTC mobile phone which has Android 4.2.2 version, you need to go in setting>about>software information> more.
After that, there will be build number and repeat the process of taping it seven times, and again there will be the option of you is a developer now.
Most of the time, the developer option is used by developer those who are coding applications, this does not mean one no developer cannot take benefit from this option, you can do whatever you want to do like rooting or flashing etc., But do not forget to disable the option after using.