No matter which iPhone model you currently have, don’t be shocked if you get a certain error, warning, or if you experience some issue with the device. Many problems occur for no apparent reason, and with a little patience and several tricks, you can easily fix them! If you just got the invalid SIM card error, you can try to solve it. We prepared potential solutions for you: 5 ways to fix iPhone invalid SIM card error, to be exact, and you should definitely give it a shot.
5 ways to fix iPhone invalid SIM card error
Solution No.1: Reboot your iPhone
The error you just saw may just be some current glitch that will disappear after the reboot. To do this: Press and hold the sleep/wake button until you spot the slider. Swipe to turn the device off, and after 10-15 seconds, turn it on.
Solution No.2: Toggle Airplane mode
For some reason, this may help: go to Settings, and simple toggle the switch of the Airplane mode. Turn it on, then off again.
Solution No.3: Remove your SIM card, and put it back again
This good old trick might be helpful. Turn off your device, open it, remove the SIM card, and put it back again. Turn on the iPhone. You can also try another SIM card, and if everything works fine, it means that your SIM card is causing the problem. Contact your carrier to get a new card.
Solution No.4: Update carrier settings
Another thing you can try to get rid of the problem is to update the carrier settings. Go to Settings > General > About. Your device will check for the update automatically. If there is an update, you will be asked if you want to update them now. Tap Update.
Solution No.5: Reset network settings
Reset in any form can be your savior. This time, reset all current network settings.
Go to Settings, tap on General, choose Reset, and then tap on Reset Network Settings. This simple step can solve the problem easily.
If for some reason, 5 ways to fix iPhone invalid SIM card error we provided did not solve the issue, you can try a few other solutions listed below. If nothing seems to work, contact your carrier because the problem may be your SIM card. They will replace it with a new one.
If you don’t have the latest version of iOS, you should download it because a new version fix the bugs, solves the issues and usually brings some new features.
To update iOS:
- Connect to a Wi-Fi network and plug your device into a power source
- Navigate to Settings > General > Software Update.
- Next, tap Download and install
- Tap Install
Reset all settings
Another option is to reset all settings. You won’t lose your data or apps.
- Go to Settings
- Tap General
- Tap Reset
- Tap Reset all settings.