If there’s any pending update, download and install it.

Tap General, followed by tapping Software update.

Here’s how you can check if there’s any pending iOS update: 3. I prefer keeping auto-software updates on my iPhone to ensure facing no glitches. Keeping your iPhone updated should always be on your checklist. Wait for 15 seconds and restart by pressing the side button. Long-press the side button and volume button together until you see the power off slider. This is one of the most common and necessary ways of troubleshooting any error related to the iPhone. If the problem persists, try another step. Now eject your SIM card by opening the tray, reinsert it, and restart your device. Eject and reinsert the SIM card on iPhoneīefore you rush, turn off your iPhone.

Eject and reinsert the SIM card on iPhoneġ.

If it says ‘No SIM Restrictions’, you can scroll down and look for other tips, but if it’s locked, none of the below-mentioned steps will be able to help you.Ĭonsidering you are at the former stage with no restrictions, let’s try out a couple of tested solutions to fix SIM not supported on iPhone! Before we go ahead and look for other troubleshooting tips, I would suggest you verify whether or not this is the case. One of the most common reasons behind the ‘SIM not supported’ error on your iPhone is that it is locked by the carrier. Hence, before jumping to other tips, let’s first understand Why iPhone shows SIM not supported error? Though it’s not as common a concern as getting the iPhone SIM locked or invalid SIM error, it could be primarily due to carrier issues. Talk about a nightmare, and nothing can be worst than getting the ‘SIM not supported’ error on your newly purchased iPhone.

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