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Jan 11, 2024 · If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. If your device has a physical SIM card and you've completed the previous step, try using another SIM card. 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 ...
If you receive an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure you have an active plan with your wireless network provider. Restart your iPhone or iPad. Check for a network provider settings update. Go to Settings > General > About.
Apr 17, 2024 · If you don't see your mobile data line, contact your network provider to set up an eSIM or insert a physical SIM card. If you're using a physical SIM card, remove the SIM card and put it back in. If your SIM card is damaged, doesn't fit in the SIM tray or you've transferred your physical SIM card from another device, ask your network provider ...
- Make Sure You Have an Active Cellular Plan. While it might seem obvious, it's worth double-checking that your wireless carrier plan (such as with AT&T, Verizon, etc.)
- Restart your iPhone or iPad. If from out of nowhere you're suddenly seeing an "invalid SIM" or "no SIM" error message, you may have a software glitch causing problems with your device.
- Perform a Force Restart. If the regular restart didn't work, it's time to try the force restart. If you're unfamiliar with the force restart function, this is just a different way of cutting the power on your iPhone or iPad.
- Check for a Carrier Settings Update. A carriers settings update comes directly from your cellular provider, and helps to improve cellular network connectivity and provide support for new features.
Jul 15, 2022 · On the iPhone, start the Settings app and then tap General, followed by Transfer or Reset iPhone. At the bottom of the screen, tap Reset, then Reset Network Settings . Resetting your network ...
Sep 5, 2023 · Eject the SIM tray. Make sure the card is properly oriented in the cutout. Reinsert the tray and retest. Try the SIM from a friend or family member with the same cellular carrier. If it works, replace your SIM card. You can request one from your service provider, or visit one of their physical locations.
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Nov 12, 2021 · Turn Airplane Mode On and Back Off. The first thing to try when your iPhone says Invalid SIM is to turn Airplane Mode on and back off. When Airplane Mode is on, your iPhone disconnects from cellular and wireless networks. Open Settings and tap the switch next to Airplane Mode to turn it on. Wait a few seconds, then tap the switch to turn it ...
