If powered off, press and hold the Power button (located on the right edge of the device) until the Samsung logo appears then release.
Select the appropriate Language then tap NEXT.
From the Phone Activation screen, tap NEXT or tap ACTIVATE NOW (if available).
If prompted, enter the last 4 digits of the account owner's social security number or the billing password.
If activating a new phone, ensure the old phone is powered off and allow several minutes for the deactivation of the old phone to complete.