Step 1: Choose your Phone official carrier from products list
Step 2: Complete the form which includes your IMEI number and your E-mail to receive unlock sprint phone code.
Step 3: Wait until receiving the confirmation email that your iPhone has been unlocked (take hours to few days – depends on your Phone official carrier)
Step 4: You will be requested to restore to latest iOS version using iTunes, the you will get congratulation message on iTunes stating that your iPhone has been unlocked. Done!
Supported: all devices suppported purchased from sprint USA