How do I fix my SIM card not detected on my iPhone?

If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad
  • Make sure that you have an active plan with your wireless carrier.
  • Restart your iPhone or iPad.
  • Check for a carrier settings update. ...
  • Remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back. ...
  • Try using another SIM card.
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How do I get my iPhone to recognize my SIM card?

How To Fix The No SIM Card Error On iPhone and iPad
  1. Eject The SIM Tray. ...
  2. Inspect The SIM Card, SIM Tray, And Inside Your iPhone. ...
  3. Reinsert The SIM Tray. ...
  4. Try Using A Friend's SIM Card. ...
  5. Turn Your iPhone Off And Back On Again. ...
  6. Reset Network Settings. ...
  7. Update Your Wireless Carrier Settings, Preferably Using iTunes On A Computer.
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Why is my phone saying there is no SIM card but there is?

Clearing your Android's cache to try to fix the no SIM card error is extremely simple. Go to “Settings -> Storage -> Internal Storage -> Cached Data.” When you tap on cached data, you'll get a pop-up telling you that this is going to clear the cache for all the apps on your device.
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How do you fix the SIM card inserted in this iPhone does not appear to be supported?

When your iPhone says SIM is not supported, it usually means that your second-hand iPhone or even a new iPhone is locked to a carrier. You can go to Settings > General > About > Find Carrier Lock and check if it shows No SIM restrictions, then your iPhone is unlocked.
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How do I get my phone to recognize my SIM card?

Without further ado, here are 20 different ways to fix “No SIM Card Detected” issues on Android phones or tablets.
  1. Reboot your device.
  2. Remove the battery.
  3. Adjust the SIM card.
  4. Manually select carrier/network operator.
  5. Change network mode to auto.
  6. Clean the SIM card.
  7. Replace your SIM card.
  8. Remove and re-insert SIM card.
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iPhones: SIM Card Not Working? No Service, No SIM Card, Invalid SIM, Stuck on Searching? FIXED!



Why has my SIM suddenly stopped working?

Sometimes dust can get between the SIM and your phone causing communication issues, to remove the dust: Turn off your phone and remove the SIM card. Clean the gold connectors on the SIM with a clean lint-free cloth. Replace the battery and turn your phone on without the SIM.
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How do I reset my iPhone SIM card?

How to Reset an iPhone SIM Factory
  1. Press the "Home" button on your iPhone. Slide your finger across the "Slide to Unlock" bar. Your home page will load. ...
  2. Tap the "Settings" icon.
  3. Tap the "General" tab.
  4. Tap "Reset" at the bottom of the page. A new page will open.
  5. Tap "Erase All Content and Settings." People are Reading.
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How do I get my iPhone to work on any network?

Contact your carrier
  1. Only your carrier can unlock your iPhone. Contact your carrier and request an unlock. Your account might need to meet requirements for unlocking. After you submit the request, it might take a few days to complete. ...
  2. After your carrier confirms that they unlocked your iPhone, follow the steps below.
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What is a SIM failure on iPhone?

If the SIM card is damaged or not placed correctly, you may see one of the errors. The issue may appear after an iOS update and if the device came in touch with water.
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How do you reset a SIM card?

Select the "Settings" icon. Select "Backup & Reset." Select "Factory Data Reset." Select "Reset Phone."
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What happens if you switch SIM cards in iPhones?

Answer: A: If you change it for a SIM from the same carrier, nothing happens, the device continues working as before. If you change it for a SIM from another carrier and the phone is locked to the original, then it will work as a fancy iPod, none of the phone capabilities will be available.
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How can I tell if my iPhone is unlocked?

Here's how to tell if your iPhone is unlocked in Settings:
  1. Open the Settings app on the iPhone in question.
  2. Scroll down and tap General.
  3. Tap About.
  4. Scroll to the bottom and look for Carrier Lock. If it says No SIM restrictions, then your iPhone is unlocked and you're free to use any carrier or cell service.
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How do I know if my iPhone is unlocked by IMEI?

What to Know
  1. Easiest way: Go to Settings > Cellular > Cellular Data Options. ...
  2. Or, if you're traveling, swap your existing SIM card for a local SIM. ...
  3. Or, enter the iPhone's IMEI number into an online service like IMEI Check and see if your device is unlocked.
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Can I unlock my phone myself?

The simplest way to unlock your device is to ring your provider and ask for a Network Unlock Code (NUC). Most will provide you with one and some even do it for free once your contract is up. Once you're provided with the code you should be able to enter it into your phone to remove the lock.
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Are iPhones automatically unlocked?

The iPhones you pay full price for (typically from the Apple Store) are unlocked by default. But an iPhone bought from a network, usually as part of an ongoing network plan, will be locked.
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What factory unlocked iPhone means?

A "factory unlocked" device is one sold directly by Apple or an officiall Apple authorized reseller without any SIM card lock in place restriciting it to one Cell Service Providers SIM cards and network. Such an unlocked iPhone will accept any SIM card from any compatible GSM service provider.
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Can you just switch SIM cards in an iPhone?

After you remove your SIM card from the tray, notice the notch in one corner of the new SIM card. Place the new SIM card into the tray—it will fit only one way, because of the notch. Then insert the tray into the device completely and in the same orientation that you removed it. The tray also fits only one way.
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Can I just transfer SIM card to new iPhone?

For transferring SIM card to new iPhone, you need to carefully eject it from your old device. You can use a SIM ejector tool to take out the tray and insert it to your iPhone. Once the SIM card is injected, go to your iPhone's Settings > Mail, Contacts, Calendars and tap on the “Import SIM Contacts” button.
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How do I activate my SIM card?

Quick steps: Activating a new SIM
  1. Insert the new SIM into your phone, and have the phone turned on.
  2. Activate your new SIM card by using its accompanying activation key (this will be included in the package). ...
  3. Use this key to activate the SIM card online. ...
  4. Wait some time, and it should be activated shortly.
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Can you restart a SIM card?

You can go through each piece of information in your phone and delete it to reset your SIM card. A SIM card stands for subscriber identity module and stores most of the information that goes through your phone. You can buy a SIM card reader that will allow you to clear the memory.
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Does a factory reset affect SIM card?

Factory resetting will not delete your number. In fact, it will not affect your sim card in any way and all the information stored on the sim card will be intact.
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Can you reprogram a SIM card?

You can swap out a GSM phone's SIM card at any time, but you will first need to program the card with your account information. To program a SIM card, you will need to contact your mobile phone provider and have them initiate an over the air (OTA) update that will be wirelessly transmitted to your phone.
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How do I know if my SIM card is broken?

Turn your smartphone off and remove the SIM card. Insert the card into the alternate smartphone. If the second phone is also unable to read the card, your SIM card is to blame for your issues -- either because it is dirty or damaged.
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What is the lifespan of a SIM card?

There are tons of anecdotal web mentions of people using the same SIM card for up to 10 years. Given they are not terribly complicated IC devices, I would expect that on average they last a very long time, if not subjected to water damage, over-voltage or physical damage.
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