When you will make a payment through PayPal, you will receive a confirmation email. After the unlock is processed and completed, we will send you another confirmation email that your iPhone is unlocked. Now you need to connect your iPhone to iTunes, and follow our instructions. After that, your device will be unlocked permanently.
Step 1: Install the latest version of iTunes on your computer. Go here to download.
Step 2: Add another SIM card and create a backup.
Step 3: Restore your device and update.
Step 4: Now restore the data from the backup.
These are all the steps. Your device will be unlocked permanently. You should got an iTunes message: Congratulations, your iPhone has been Unlocked.