What to do if your iPhone says “No SIM”

What to do if your iPhone says “No SIM”

Setting up and activating a new iPhone is usually a very intuitive and straightforward process. But sometimes, a strange hiccup here and there can occur especially when your iPhone says no SIM card inserted. If you get this message, and you are wondering how to get rid of it, use the following troubleshooting tips to narrow down your problem.

Read more: How to Activate Any T-Mobile SIM Card

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If your iPhone says no SIM, it could mean that the SIM was not inserted, it was not inserted properly, the SIM is damaged, there may be a problem with your carrier account, or the iPhone has That could be a problem. However, all can be fixed.


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Why does my iPhone keep saying “No SIM”?

There are several possibilities as to why your iPhone is throwing up the “No SIM” message. But by a logical process of elimination, you can usually find and fix the problem quickly.

In short, you are most likely looking at one of the following:

  • a hardware problem – The SIM card may be damaged, or the iPhone itself may be damaged.
  • a software problem – The iPhone may need a significant update.
  • a setting problem – An iPhone setting can be disabled and must be turned on.
  • a carrier problem — There may be a problem with your account with your phone carrier, which means that your SIM will be disabled.

How to Fix “No SIM” Error on iPhones

Let’s now look at each possibility, and how to test and fix it.

Open SIM card tray and check SIM

If you have already inserted a SIM card, and the phone screen says ‘No SIM’, the first thing to check is to see if the SIM card is actually properly inserted into the SIM tray. It’s very easy to get it wrong. Even a micro-SIM is very difficult to handle, so it may not sit comfortably in the tray.

Take a paperclip and straighten it to make a straight piece of wire.

paperclip iphone

Mark O’Neill / Android Authority

Then locate the SIM card tray on the side of the phone and insert the end of the paperclip into the small hole.

iphone sim tray

Mark O’Neill / Android Authority

Now give it a very light but firm push to take out the SIM tray.

iphone sim tray out

Mark O’Neill / Android Authority

Make sure the SIM card is properly in the tray. Compare the size of the SIM card with the size of the tray and adjust accordingly. Make sure it is snug, with the gold colored side facing up.

Check to make sure the SIM card is not damaged

When you have the SIM card out of the tray, check it thoroughly to make sure it is not damaged. If it has any scratches, scuffs, or if the gold side has been cut too far with a knife (which is easy to do if you’re making a large SIM card into a Micro-SIM), it’s clearly the cause of the SIM card. will be for fault. In this case, you will need to buy a new SIM card from the phone carrier.

Make sure your iPhone has installed all the updates

Assuming that there doesn’t seem to be anything externally wrong with the SIM card, and that it seems to have fitted properly to the phone, the next step is to check that your phone has all the necessary updates.

ios software update

First, go to Settings-> General-> Software UpdateAnd check to see if there are any uninstalled system updates.

iphone carrier settings

Also, check for a iphone carrier settings Update. As the name suggests, it is your phone carrier’s settings that enable you to use their service efficiently. In different parts of the world including Europe it will be called Network rather than.

You will usually be notified if there is a carrier setting update, but you can check manually by visiting Settings-> General-> Aboutand looking the carrier,

Check with your phone carrier to make sure your account is valid

t mobile logo

Chris Carlone / Android Authority

If the SIM card is not damaged, and the phone has all available updates installed, then the next step is to contact the phone carrier. They may not have activated the SIM card yet, or your account has been deactivated due to a specific issue that needs to be addressed.

Call them a quick premium rate, navigating their phone menu that doesn’t understand your pronunciation, accidentally choosing Spanish instead of English, starting again, then listening to Beethoven’s ‘Ode to Joy’ for an hour You should sit in the phone queue. Outstanding cases.

Contact Apple Tech Support

iphone apple support

questions to ask

This means that your iPhone is unlocked, and you can use any SIM card from any carrier.

Yes, you can activate your iPhone without a SIM card, but it must be unlocked first, and it must be running iOS 11.4 and above. If so, you can dismiss the ‘No SIM card’ message during the iPhone activation process.

Yes, you can use an active iPhone without a SIM card. You won’t be able to call or text anyone, that’s all. But everything else will work over Wi-Fi.


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