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Sep 6, 2022 · If you don't have one, go to your carrier's retail store and ask them to test with another SIM card. You might need to replace your SIM card. If you still see an alert about your SIM card, contact Apple support. Following these steps may help with resolving the message you see popping up about the SIM card.
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If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps.
1.Make sure that you have an active plan with your wireless carrier.
2.Restart your iPhone or iPad.
3.Check for a carrier settings update. Go to Settings > General > About. If an update is available, you'll see a prompt to select OK or Update.
4.If your device has an eSIM, contact your carrier.
5.If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back. Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.
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- Restart iPhone. Press and hold the side button and volume up button for a few seconds. This will bring you to the power options screen. The best first troubleshooting step when you have glitches on your phone is usually to restart it to see if the issue gets fixed.
- Check For an Active Cell Plan. Open the Settings app. If you don't have an active cellular plan, you won't be able to make calls or use apps like WhatsApp or Viber.
- Check For Carrier Settings Update. Connect your phone to Wi-Fi. If you're having issues with cellular-related activities on your phone and keep getting a SIM failure error, first connect your phone to Wi-Fi if it isn't already.
- Reinsert SIM Card. Open the SIM tray. If you have a physical SIM, removing the SIM card and putting it back in can help refresh any SIM failure errors.
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- Enable and disable Airplane mode. First, go to iPhone Settings or the Control Center and turn on Airplane mode. After waiting for about 15 seconds, please turn it off.
- Turn on the SIM line. If you use two SIM cards and it shows No SIM, go to iPhone Settings > Cellular > tap a SIM and enable the switch for Turn On This Line.
- Restart your iPhone. Often, the most frustrating problems are fixed by a simple restart. If you’re getting SIM card errors on your iPhone, turn it off and after waiting for a minute, turn it back on.
- Gently wipe and reinsert the SIM card. Sometimes after restarting my four-year-old iPhone, I would get the SIM Not Valid or No SIM Card message even though a functioning card is inserted.
You can use a nano-SIM card from a network provider. iPhone 13 models and later support Dual eSIM. Damage to the SIM tray or the device caused by a modified SIM card isn't covered by Apple's hardware warranty.
Causes. 1. SIM Card. Your SIM card is actually a small computer chip embedded into plastic so it can be transferred easily across devices. Although they are resilient, they can become faulty, or may not be compatible with the phone you’ve transferred it into. Try a simple reseat of the card. Eject the SIM tray.
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Nov 12, 2021 · Why Is My iPhone SIM Not Supported? An iPhone usually says a SIM is not supported because your iPhone is locked to your carrier. This means you can’t insert a SIM card from a different carrier if you switch. To check if your iPhone is locked, open Settings and tap General -> About -> Carrier Lock. An unlocked iPhone will say No SIM Restrictions.
