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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.
- 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.
Aug 26, 2022 · Remove the undetected SIM card from your phone and go to Settings. Search for App Settings through the search box at the top of the Settings page and click on it. After opening the App Settings ...
- When your phone can't detect a SIM card, it might be because the card was wrongly positioned or damaged. However, if you are sure that the SIM card...
- A software or hardware error is hindering your phone from detecting your SIM when you receive the No SIM Card alert. You won't be able to use the S...
- If your iPhone is showing no SIM card installed, try these solutions:1. Restart the iPhone2. Enable and disable Airplane mode3. Reset network setti...
- If your SIM card suddenly stops working, you may have tampered with the settings on your phone, or your SIM card has been wrongly positioned. So tr...
- We’ve seen some cases where this error is caused by a malicious file preventing your phone from detecting the SIM card on your phone. This is when...
- One possibility is that the SIM card has been removed or damaged in some way. If you've lost or damaged your original SIM card, you can buy a repla...
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 ...
Oct 6, 2023 · You can use a SIM tool remove the SIM card, or unfold a paper clip and insert it into the SIM ejection hole. Gently pull out the tray, and lightly blow out dust or debris from the slot using a few short bursts of compressed air. [5] You can reinsert the slot and SIM card to see if this fixed the problem. 4.
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Mar 18, 2024 · Restart iPhone. If your iPhone still doesn't recognize the SIM, try the all-purpose fix for many iPhone problems: a restart. You'd be surprised how many issues are solved by restarting. Turn Airplane Mode On and Off. If you're still seeing the SIM error, your next step is to turn Airplane Mode on and then off again.
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