- Disconnect the device
- Go to Settings->About phone>if the developer mode in not enabled, refer to the below steps to enable it
For android version 4.2 or later
(Jelly Bean, KitKat, Lollipop and Marshmallow), follow these instructions to turn on Developer option from the Settings menu on your device.
- Navigate to Settings > About Phone > scroll to the bottom > tap Build number seven (7) times. You'll get a short pop-up in the lower area of your display saying that you're now a developer.
- Go back to the previous page and now access the Developer options menu.
- Select ‘USB debugging’ and you will see a warning prompt appear.
- Click the check box that says “Always allow from this computer” and click OK.
For android version 4.1 and 4.0
(Jelly Bean and Ice Cream Sandwich), follow these instructions to turn on Developer option
- Navigate to Settings > Developer options, and enable them
- Go back to the previous page and now access the Developer options menu.
- Select ‘USB debugging’ and you will see a warning prompt appear.
- Click the checkbox that says “Always allow from this computer” and click OK.