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Sep 16, 2024 · Restart your iPhone or iPad. Check for a carrier settings update. Go to Settings > General > About. If an update is available, you'll see a prompt to select OK or Update. If your device has an eSIM, contact your carrier. If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the ...
Nov 12, 2021 · If your iPhone says Invalid SIM, you’re experiencing an issue with your iPhone specifically. If the problem went away after you inserted a different SIM card, then there’s a problem with your SIM card, not your iPhone.
If you receive an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure you have an active plan with your wireless network provider. If your iPhone is locked to a network provider, it can only be used with that network provider. To check if your iPhone is unlocked, go to Settings > General > About.
Sep 28, 2024 · 1. Restart your iPhone or iPad. If your device claims your SIM card is invalid, a quick restart will often fix the problem—especially if the error appeared suddenly. 2. Remove and reinsert your SIM card.
- Gaurav Bidasaria
- Insert SIM in Another iPhone. A good way to crosscheck if the SIM failure error is showing due to SIM or some iPhone setting is to insert the SIM card in another iPhone.
- Check if Carrier Plan Has Expired. Check your mobile carrier’s app or web page with your subscription account to check if your plan is still valid. You can call your carrier to ensure your plan has not expired.
- SIM/eSIM Is Locked. For security, every SIM card has a specific PIN (Personal Identification Number) to lock it. This is done to avoid unauthorized access to your SIM and using to make calls and send messages.
- Is iPhone Locked to a Carrier. You can buy iPhones directly from the carrier along with a mobile service plan. That means your iPhone can only be used with that particular mobile carrier’s SIM card or eSIM.
Aug 22, 2024 · If you see “Invalid SIM” or “no SIM” on your iPhone, it indicates the SIM card or its firmware is malfunctioning and can’t connect to its carrier as a result. When this happens, you won’t be able to send/receive messages or place/receive calls via the SIM card except for emergency calls.
People also ask
Why is my iPhone displaying an invalid SIM or no SIM error?
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Why can't I use another sim card on my iPhone?
Jan 2, 2023 · Apple says in a support document that if you're seeing either SIM error message, you should check for and install any available carrier setting updates to potentially fix the...
