How to unlock your iPhone to switch carriers.
Want to switch? You may have moved to a new area where your current career does not have good coverage. Or you may want to reduce your monthly bill and get a better deal. No matter what you do, unlocking your iPhone is perfectly legal – if it’s not already unlocked – and switch to a new carrier. And now an easy way to see if your iPhone is locked on your current carrier’s network.
Your iPhone needs to be fully charged, however, before you can jump on board. If you are in the middle of an installment plan, you will need to complete all payments before your carrier will let you go.
Wait, can my iPhone be unlocked already?
If you’ve already paid the full price for your iPhone, chances are it’s unlocked. If you purchased it through AT&T, Verizon, or any other carrier, it may be locked to this carrier’s network.
How do I know if it is locked or unlocked?
Apple last year introduced a way to check if your iPhone is locked or unlocked, which doesn’t include calling your carrier and navigating to someone who can answer that simple question. As long as you are running iOS 14 or iOS 15, you can go for it. About Settings> General> And scroll down. Carrier lock. If you see No SIM restrictions. On this line, then – good news! – Your iPhone is unlocked. If you see SIM locked.However, you still have some payments left before your iPhone is fully paid.
What if it’s locked?
If your iPhone has been paid and is still not unlocked, you will need to contact your carrier to request an unlock. Before you even call, you can begin the process of unlocking your carrier’s site. Visit device unlocking pages from AT&T, T-Mobile and Verizon – you may have to wait a day or two for your application to complete. Once verified, you are ready to go.
Once your new service is ready and running, don’t forget to cancel your old agreement.
OK, so how do I remove the SIM card?
Back up your iPhone, power it off, grab the SIM-eject tool that can be attached to your iPhone or security pin and insert it into the small hole next to your SIM tray Insert
SIM expired. Now what?
All you have to do now is insert your SIM card from your new carrier into the tray and slide it back into your phone.
Yeah Al that sounds pretty crap to me, Looks like BT aint for me either. You should be able to transfer your number from one carrier to another without any problem, but it is a good idea to check it yourself. In the US, you can check with major carriers – AT&T, T-Mobile and Verizon – to see if your number is eligible to be ported.