Where is the Android phone developer option?

1 we find "Setup" in the mobile phone generally in the setup will have a system in the "about the phone" then we click on it to enter, on the phone we will see a "version number" Now we need to continuously click on the version number, and then you will see the system is prompted "you are now in the developer mode."

2 All right, wait until the opening is complete, we'll go back to the "settings" of the phone and you will find a "developer option" on the phone, and now we click on it to enter, and then we can "root authorization" control, "USB debugging" and so on.

Cloud Habitat Community Small series to remind you that if you are Android 4.2 before the version we will have the USB mode in the setup there is no need for this operation to open AH.