zIf you want to turn USB debugging Mode On or Off, you will have to follow some easy steps:

  • Touch the home button and then the application button found on the top right corner.
  • Touch Settings and then Developer options.

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  • You will found a slider on the top right and you will tap it. When it turns green, the options are available.
  • Read the message shown and touch OK.
  • Touch on USB debugging to turn it on or off.

Keep in mind that it will be shown a green check mark if the feature is turned on.

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool