And then, you can see if a carrier update is available. Update Carrier: Tap About from General on the Settings App. Turn off your iPhone, remove the SIM card tray, reinsert the SIM card, and then turn on your iPhone. Insert SIM Correctly: Ensure your SIM card is properly inserted into your iPhone. Slide the button to turn off your iPhone, then hold the power button again to turn it back on. Restart iPhone: Press the power button until 'slide to power off' appears. Go to Settings and check if Airplane Mode is turned on. Turn Off Airplane Mode: If the Airplane mode is turned on, the SIM card will not work usually. If your SIM card is not working on your iPhone, here are some steps you can take to troubleshoot and solve the issue: How to Solve SIM Card Not Working on iPhone If the SIM card is deactivated, you cannot use it as usual. The Account is Inactive: Make sure your account with your carrier is active and your SIM card is still valid. Connect with your carrier to see if your iPhone is unlocked. IPhone is Unlocked: If it is locked to a specific carrier, it may not work with a SIM card from another carrier. This will cause all SIM card features to work differently than usual. Inserted SIM Incorrectly: The most probable issue of your iPhone SIM not working is that you inserted the SIM card incorrectly. Here are some possible things you can check: There could be several reasons your SIM card is not working on your iPhone. Part 4: FAQs about SIM Card Not Working on iPhone.Part 3: Use Apeaksoft to Solve All SIM Card Issues on iPhone.Part 2: How to Solve SIM Card Not Working on iPhone.Part 1: Why My SIM Card Not Working on iPhone.This article aims to provide a comprehensive guide on why your SIM card is not working on your iPhone and how to troubleshoot and solve the issue. A malfunctioning SIM card can be frustrating, but this happens for several reasons, ranging from a simple SIM card issue to a complex carrier network problem.

This situation will prevent you from making calls, sending messages, or accessing mobile data. However, there may be instances where your SIM is not working on your iPhone. A SIM card is essential on your iPhone as it stores critical information such as your phone number, contacts, and carrier information.

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