Do you need to switch SIM cards when changing iPhones?

You do not need the old SIM card installed in the new iPhone to transfer data. This can be done over a Wi-Fi Network. Eventually you will need the old SIM card installed in the new iPhone to setup the Messages and FaceTime apps that use your phone number.
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What happens if I put my old SIM card in my new iPhone?

You can move your sim and use the phone as you use your phone. But the sim does not contain the data stored on your phone, so none of your contacts, apps, accounts etc., will transfer because you put the sim in. Make sure you backup your current phone. And restore the new phone from the backup from your old phone.
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Do I need to put my SIM card from my old phone in my new phone?

The SIM card is basically what identifies your phone on the network. If you change phones all you have to do is take the SIM card out of your old phone and put it in your new one. Think of it like your phone number is registered to the SIM card, and you can move it around from phone to phone as you please.
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Can I use my old SIM card in my new iPhone 13?

Yes, both phones take Nano-SIM cards, so if you use your old SIM card from your iPhone 5s it should work perfectly fine on iPhone 13.
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Do I need to swap my SIM when I upgrade?

Upgraded to a new phone? If your new phone takes a different sized SIM you'll need to keep the new SIM in your new device and do your SIM swap. If your new phone takes the same SIM card size as your current SIM card, you don't need to do a SIM swap. Just take your current SIM card and put it in your new phone.
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Transferring



Do I put my old SIM card in my new iPhone 11?

Answer: A: iPhones do not store anything on the SIM card. Moving the SIM card is the fastest and easiest way to activate your cell service. To activate your phone it has to have a SIM card inserted.
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Can you put an iPhone 6 SIM card in an iPhone 12?

Yes it will fit. Nano sim in both.
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Does iPhone 6 and iPhone 13 use the same SIM card?

Yes, iPhone 5 and newer uses Nano-Sim card. So, both the iPhone 6s and iPhone 13 use the same size SIM card.
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Do you need a new SIM for iPhone 12?

I just purchased an iphone 12 max and want to know if I swap my sim card over or do I use the new sim that came with the phone? Answer: A: Answer: A: Because of 5G service, you should use the new sim card which came with your phone.
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Will an iPhone 6 SIM card work in an iPhone 11?

The sim is nano so it should work fine.
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Can I put my iPhone 10 SIM in an iPhone 12?

You should just be able to take the SIM out of your old iPhone and insert it into the new one.
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Can you use an iPhone 8 SIM in an iPhone 12?

All replies

While you could just put the SIM card from your old phone into the new one, it is recommended that you contact your cellular carrier. There may be options or settings that won't transfer properly.
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Do I need to switch my SIM card from iPhone 11 to iPhone 13?

Helpful answers. I would NOT use an iPhone 11 sim card in an iPhone 13. Yes, it's the same size sim, but it's not provisioned for 5G service. If you are not using the eSim in your new phone, get a new sim card from your carrier which is 5G ready.
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Do I need to transfer my SIM card from iPhone 11 to iPhone 13?

Since your SIM card is essential to get network connectivity on your device, you must transfer it to your new iPhone.
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Can you use an iPhone 7 SIM card in an iPhone 12?

All replies. Both iPhones use a nano-SIM. Glad that helped. Enjoy your new iPhone.
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Do I need to remove the SIM card from my old iPhone?

If you've gotten a new SIM card and a new phone, you should still remove your old SIM card. Keeping it inserted means that anyone who calls your old number will still make your old phone ring. Removing the SIM card will disable your ability to make calls, use mobile internet, and send or receive SMS text messages.
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Can I put my iPhone 7 SIM card in my iPhone 6?

Use only the SIM tray that came with your device. For example, a SIM tray from an iPhone 6s will not fit in an iPhone 7. Find your model below to locate the SIM tray. To pop open the SIM tray, insert a paper clip or a SIM-eject tool into the hole beside the tray.
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Can I use an iPhone 6 SIM card in an iPhone 8?

Thank you! @Hunter39: You can use the NANO Sim card from your iphone 6 into the iPhone 8. The iPhone 6 already has Wifi calling, etc. I used my NANO SIM from my iPhone 6 to my iPhone X, with no problems.
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Do I need a new SIM card if I buy a new iPhone?

All replies

You need to put the SIM into the new phone. It won't activate without it. The old phone doesn't need a SIM anymore.
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Why did I get a new SIM card with my new iPhone 12?

Answer: A: It was already installed in the phone. There's nothing to install. Either you have arranged for the sim to activate to your number on turn on, or you can simply call your cellular provider after you set up the phone to move your phone number over to the new phone.
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Does iPhone 13 pro need a new SIM card?

Apple also points out that the iPhone 13 and the iPhone 13 mini are incompatible with existing micro-SIM cards. Therefore, users will need to use a nano-SIM card if they plan on utilizing a physical SIM.
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Does the iPhone 13 need a different SIM card?

With iPhone 13 Pro Max, iPhone 13 Pro, iPhone 13, and iPhone 13 mini, you can use Dual SIM with either two active eSIMs or a nano-SIM and an eSIM. iPhone 12 models, iPhone 11 models, iPhone XS, iPhone XS Max, and iPhone XR, feature Dual SIM with a nano-SIM and an eSIM.
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