Follow these instructions to initiate the unlocking process for your iPhone:
Check if your carrier offers unlocking. Only your carrier can unlock your iPhone.Contact your carrier and request an unlock.
You may need to meet certain requirements to qualify for
unlocking. After your carrier submits the unlocking request, it may take
up to seven days.Once you receive confirmation from your carrier that your iPhone unlock has been processed, proceed to the next section.
If you have a SIM card from a carrier that is different from your
current carrier, and you've received confirmation from your current
carrier that your iPhone is unlocked, follow these steps:
Eject your SIM card and insert the new SIM card.Complete the setup process.
If you do not currently have another SIM card you can use, follow these steps to complete the process:
Back up your iPhoneErase your iPhoneComplete the setup assistant and restore your backup.