When you receive an iPhone SIM not valid/supported notice, it often implies that the phone is unable to recognize the SIM card. All carrier-based services, including calls and text messages, will cease to function if the SIM card is not recognized. Your iPhone’s carrier-locked status is one of the most frequent causes of the “SIM not supported” issue.
3 Ways to Fix SIM not Supported Error on iPhone
Restart Your iPhone
Many software issues may be quickly fixed by restarting your iPhone. Depending on the model you have, there are many ways to restart your iPhone: iPhones with Face ID: Press and hold the power button as well as one of the volume buttons simultaneously until the words “slide to power off” display on the screen. To turn off your iPhone, swipe the power symbol across the screen from left to right. To restart your iPhone, press and hold the side button once more until the Apple logo displays on the screen. When the slide to power off button shows on an iPhone without Face ID, press and hold the power button while swiping the power symbol across the screen. To restart your iPhone, press and hold the power button one more.
Check For An iOS Update
Reset Network Settings
When you Reset Network Settings, the Cellular, Wi-Fi, Bluetooth, and VPN settings on your iPhone are all reset to their factory defaults. You’ll need to reenter your Wi-Fi passwords when this reset is finished, so be sure to write them down. Additionally, you’ll need to re-configure any of your VPNs and reconnect any Bluetooth devices. This reset may be able to solve this issue, despite the slight inconvenience. To reset network settings, open Settings and select General > Transfer Or Reset iPhone > Reset. To confirm your choice, press Reset Network Settings after entering your iPhone passcode.
Final Words
That’s it with our article on How to Fix SIM not Supported Error on iPhone. After receiving a brand-new iPhone, everyone would immediately begin using it by inserting a SIM card. However, as US models of the iPhone 14 series lack any sort of SIM slot, you can’t do it with one of those devices. You are forced to utilize an SIM, which occasionally may be useful but can also result in problems like the iPhone’s SIM not supported error.