The debug mode is important and necessary at the time of need to make changes in the system Android. This mode allows you to connect your PC to your phone to access internal files and make modifications to system through the computer.
To access the debug mode you should select "Settings" or in other versions is as "Setup", the application drawer.
Then you should follow the next steps, (depending on the android version).
Gingerbread - Android 2.3 - 2.7 and older
1. Tap on Settings.
2. Tap on Aplications.
3. Tap on Development.
4. Check USB debugging.
Ice Cream Sandwich 4.0 and Jelly Bean 4.1
1. Tap on Settings.
2. Tap on Developer options.
3. Check USB debugging.
4. Tap OK on pop up message.
Jelly Bean 4.2 and newer
1. Tap en Settings.
2. If you can not see Developer options then:
Tap on About phone.
Tap on Build Number till message "You are now a developer" pops up.
3. Tap on Developer options.
4. Check USB debugging.
5. When message "Allow USB debbugging" appears, then Tap OK.
2. If you can not see Developer options then:
Tap on About phone.
Tap on Build Number till message "You are now a developer" pops up.
3. Tap on Developer options.
4. Check USB debugging.
5. When message "Allow USB debbugging" appears, then Tap OK.
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