How to solve the problem that iPhone shows that SIM card is not supported? [solved]

We all get really excited when we buy a new phone to explore the many features of the new device. But did you know that many iPhone users encounter problems when inserting the SIM card into their iPhone for the first time?

They receive an error message stating that the SIM card is not supported on their iPhone screen. Some users also faced an error message showing that the SIM card is not configured etc. The main factor/reason for this problem to occur on any iPhone is the carrier lock on the iPhone. This usually happens when you buy an iPhone from someone else without checking any SIM card restrictions. There could be several other factors such as internal software bug, network settings changes, SIM card not inserted correctly, outdated iPhone software, etc.

If you are also facing this kind of problem with your iPhone, don’t worry because we have many different solutions here that can help you solve this problem.

Please try the following solutions first

• Force restartiPhone - Sometimes, we overlook that many issues caused by iPhone are due to internal technical errors. Therefore, this can be corrected by force restarting the iPhone. Try this and see if it works for you.
• Check iOS Updates - Many times, updates released by Apple are actually intended to enhance the iPhone and resolve several software bugs in the iPhone. Therefore, you can try to update your iPhone by going to "General > Software Update" > Settings.
• Check that the SIM card is inserted correctly – This type of problem occurs when the SIM card itself is not placed correctly in the holder in the iPhone. To fix this issue, first try ejecting the SIM card holder from your iPhone. Then remove the SIM card and clean it with a cloth and put it back. Later, plug the stand back into your iPhone. Now you should not receive the error message again.
• Dial an emergency number - As claimed, this works for many iPhone users, the trick here is to call any emergency number from your iPhone. Try this, it might work for you.

Fix 1 – Enabling and Disabling Airplane Mode

Refreshing your iPhone’s network connection can help resolve this issue, which can be accomplished by toggling Airplane Mode, as described below.

Step 1: First open the "Settings" app on your iPhone.

Step 2: After opening, click the toggle button of the Airplane Mode option to turn it on.

#Step 3: After activating airplane mode, it will disconnect all types of network connections on your iPhone. Even mobile networks.

Step 4: You must now wait for some time and then disable flying by setting its toggle switch to grey again Mode options, as shown in the screenshot below.

Fix 2 – Check if the iPhone has any SIM card restrictions

If you want to buy an old iPhone from someone else, you need to check for a restriction on the iPhone The standard for using SIM cards is called network provider lock-in.

Step 1: Click the icon in the Settings home screen.

Step 2: Then scroll down and click on General as shown below.

Step 3: After that, select the “About” option at the top of the general page.

Step 4: You should scroll down the “About” page and check the “Network Provider Lockout” option.

#Step 5: If it says “No SIM card restrictions”, then you can be sure that any SIM card can work smoothly on your iPhone.

Fix 3 – Check for any carrier update settings

Step 1: Launch the Settings page on your iPhone.

Step 2: Then go to the Company Information option.

Step 3: Next, click on the About option.

Step 4: Scroll down to the Physical SIM Card section.

Step 5: If a small context menu option pops up on the screen, click Update.

Step 6: This will start updating the latest carrier settings on your iPhone.

Fix 4 – Activate eSIM on iPhone

Step 1: First go to the “Settings” page on your iPhone.

Step 2: Then select Mobile Data option by clicking on it.

Step 3: If you haven’t activated any eSIM card on your iPhone yet, click on “Add eSIM” as shown in the screenshot below.

# Step 4: Follow the on-screen instructions and go through the process of adding eSIM on your iPhone.

Fix 5 – Reset Network Settings on iPhone

Step 1: Click on the Settings icon.

Step 2: This will launch the "Settings" page on your iPhone.

Step 3: Click Company Information to set the options in the list.

Step 4: Now scroll down to the bottom where you have to click on "Transfer" or "Reset iPhone" as shown in the screenshot below shown.

Step 5: Then click Reset, as shown in the picture.

Step 6: Select the Reset Network Settings option from the context menu list that pops up on the iPhone screen.

#Step 7: Before proceeding, it will ask you for your iPhone passcode.

Step 8: After successfully entering the iPhone password, click Reset Network Settings to continue again.

This will start the process of resetting the network settings on your iPhone.

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