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- 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 network provider's retail store and ask them to test with another SIM card. You may need to replace your SIM card. If you still see an alert about your SIM card, you might need service.
support.apple.com/en-gb/108914
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Why is my iPhone 12 not working?
Why does my iPhone 12 say invalid SIM?
Why does my iPhone 12 have a SIM Failure error?
Why does my iPhone have a SIM card error?
How do I fix a SIM card not working on my iPhone?
How to fix cellular data not working on iPhone?
Sep 6, 2022 · There are steps you can take to help narrow down if this is an issue with the physical SIM card or the SIM card reader. We'll place the link and steps found below. Skip any you have already tried.
- Solution 1: Remove Your Sim Tray
- Solution 2: Toggle Airplane Mode
- Solution 3: Force Restart Your iPhone
- Solution 4: Update iOS
- Solution 5: Carrier Settings Update
- Solution 6: Reset All Settings
- Solution 7: Factory Reset
- Solution 8: Restore iPhone
- Solution 9: Enter Dfu Mode
- Solution 10: Contact Your Service Provider
If your SIM tray is full of dust, your iPhone wouldn't be able to read your SIM card. Here's how to fix this: 1. Switch your iPhone off 2. Get a SIM ejector toolor pin and remove the tray 3. Remove your SIM card 4. Blow the tray to get rid of any dust 5. Place the SIM back in and then power your handset back on The tray may also be broken, so it ma...
Several users, including myself, have been able to fix the SIM card error by switching Airplane Mode on and off. You would stop connectingto cellular networks, so any network error would be cleared. Here's what you do: 1. Swipe down to open the Control Center 2. Find the plane icon and then tap on it 3. Wait a couple of seconds and then tap it off ...
There are various problems that could arise because of isolated glitches. However, a force restart should help. All the apps and processes would be closed to erase the glitch. The force restart process differs for different iPhone models. Here's what you do on the iPhone 12: 1. Press and quickly let go of the Volume Up button 2. Press and quickly l...
When was the last time you updated iOS? If it's been a while, you could be facing a bug. You probably already know if you're using an older iOS version. You would've been getting update prompts. There are 2 different ways to update iOS. You'll need a stable internet connection for both of them. Connect to a WiFi network since mobile data won't work...
If you haven't updated iOS in a while, it's safe to say that you haven't updated your carrier settings either. Carrier setting updatesare firmware that help you connect to networks. The issue you're facing can pop up when you haven't updated these settings. Here's how you fix this: 1. Open Settings app > About iPhone 2. A prompt will appear if ther...
Invalid settings can cause the SIM card error. You probably were meddling with your iPhone settings and forgot to change whatever you altered. Reset your settings to fix this. Before you proceed, know that a settings reset will cause saved Bluetooth pairings, WiFi settings and VPN settings to be lost. If you're still interested, here's what you do:...
Let's move on to more comprehensive solutions if none of the above fixes worked. First off, factory resetting. You will wipe your system to get rid of whatever software error/glitch is present. Backup your files beforehand. All your personal data will be lost. Here's what you do: 1. Go to Settings > General > Transfer or Reset iPhone 2. Click Erase...
What's more comprehensive than a factory reset? A recovery restoration. Once again, your entire system would be cleared. Backup your files beforehand. Here's what you do: 1. Open iTunes (download any updates) 2. Plug your iPhone to your computer 3. Press and quickly release the Volume Up button, and then do the same for the Volume Down button too. ...
DFU Mode is the last resort for the most complex software problems. Although it can identify and clear stubborn issues, it can be risky. You will brick iOS if you've ever jailbroken your system before. Your entire system would be wiped. So, all your personal data will be erased. Backup your files beforehand. Here's what you do: 1. Open iTunes (down...
Contact your service provider if you're still having issues. Your SIM might be defective. You will get a SIM card replacement for free. You can check if your SIM is broken by inserting a different SIM card, and then check whether it works. Of course, your iPhone 12 has to be unlocked for this to work.
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. If your iPhone is locked to a network provider, it can only be used with that network provider.
Sep 16, 2024 · 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. If your device has an eSIM, contact your carrier. 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.
Jan 10, 2024 · First restart your iPhone. You also might want to check to make sure your SIM card is positioned correctly in the tray. The SIM card slot on the iPhone 12 is located on the left side of the...
Aug 1, 2022 · Check if your SIM card is active or not. 7. Remove the SIM PIN using a different phone and reinsert it into your iPhone. 8. Try another SIM card. 9. Contact your carrier for SIM replacement. 10. Update your iPhone. 11. Try updating your carrier settings. 12. Reset network settings. 13. Reset all iPhone settings. 14.
Sep 11, 2024 · 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. As a workaround, use your phone’s eSIM instead.
