To find your Net10 serial number:
- Press the round MENU key.
- "Prepaid" should be displayed. Press SELECT.
- Use the arrow keys to go down to "Serial Number" (this is another name for the Serial Number). Then, press OK. The 15-digit number that appears is the phone's Serial Number. To get back to the main screen, press the red END/POWER key.
If at anytime the screen light of your NET10 phone turns off, press the green SEND key to turn it on again.