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- If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. 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.
support.apple.com/en-us/108914
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Jun 26, 2024 · Identify your iPhone or iPad model. Remove or switch your iPhone SIM card or iPad SIM card. Learn how to set up a cellular data plan with eSIM on iPad. You can activate a cellular plan on an eSIM from a carrier that supports Dual eSIM. iPhone 13 models and earlier also have a SIM tray for a nano-SIM card—you can use a nano-SIM card from a ...
Jan 13, 2019 · If the SIM card failed, you could still use your iPhone on WiFi networks to do everything but make phone calls.
To find out which SIM your iPhone or iPad Wi-Fi + Cellular model uses, find your model in the list. eSIM only. In some countries and regions, certain iPhone and iPad models feature an eSIM. iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max (models purchased in the United States)
- Symptom #1 Physical Damage. It’s obvious. If you find out that your SIM card is physically damaged, then you should be concerned. To check that out, you should remove the SIM card from your phone and see any physical damage.
- Symptom #2 Network Issue. If you notice that there are network issues on your phone, this could be an indication as well. But the network issue should be frequent and persistent because your service provider might also have network issues in your area from time to time.
- Symptom #3 Calls and Messages are being delayed or interrupted. If your SIM card is faulty, then you will notice that your calls are dropping all the time.
- Symptom #4 Sound Quality is bad in Call. Another sign of a faulty SIM card is that you may experience bad sound quality while on call. For example, if you are on a call with someone and the SIM is damaged, then you will not hear from the other side clearly.
Jun 26, 2020 · SIM cards are small, removable smart cards used in cell phones and smart phones to store data like your mobile phone number, the phone company you use, your billing information and, in some cases, your address book.
Oct 4, 2017 · Try the SIM card on another device if you have a compatible device, or try a different SIM card in your iPhone 6. If the problem persists then contact your carrier or Apple.
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