1. We click on the "Settings" in the phone after we enter, as shown in the picture.
2. Then in the open Settings panel will see a "about the phone" click to enter.
3. Then you'll see that there's a "version number" on the phone that we clicked 5-7 consecutive
4. Then you will see that there is a hint "you are in developer mode", which means that USB debugging has been turned on successfully.
5. Then we then click on "Settings" below the "developer option" haha, if there is no success is not this paragraph.
6. Then we click on the "Developer option" to enter and then see a "USB debugging" as shown in the following figure
7. Then we click on the will pop up a "OK" after we go back to the "developer option" and then we click on "USB debugging" is checked the status of a good so Ko, open your mobile phone can be connected to the computer Oh.