HT4972: iOS 4: Updating your device to iOS 5 or later
Learn about iOS 4: Updating your device to iOS 5 or later
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Helpful answers
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Jan 9, 2014 11:14 PM in response to khoafromvnby Ingo2711,That's correct, without a supported SIM card you can't set up the phone.
If your carrier supports unlocking, you can use any SIM after your phone has been unlocked by the provider:
iPhone: Wireless carrier support and features
iPhone: About unlocking
Follow the instructions in this article to unlock your iPhone for use with different carriers.
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.
- Eject your SIM card and insert the new SIM card.
- Complete the setup process.
- Back up your iPhone.
- Erase your iPhone.
- Complete the setup assistant and restore your backup.
Additional Information
If you experience issues or receive the following error message displayed in iTunes or on your device, follow the steps below:"The SIM card inserted in this iPhone does not appear to be supported. Only compatible SIM cards from a supported carrier may be used to activate iPhone. Please insert the SIM card that came with your iPhone or visit a supported carrier store."- Restore your iPhone.
- Contact your carrier to verify that the unlock was applied in your carrier's system.