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Sep 16, 2024 · If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad. 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. If your iPhone is locked to a carrier, it can be used only by that carrier.
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- Enable and disable Airplane mode. First, go to iPhone Settings or the Control Center and turn on Airplane mode. After waiting for about 15 seconds, please turn it off.
- Turn on the SIM line. If you use two SIM cards and it shows No SIM, go to iPhone Settings > Cellular > tap a SIM and enable the switch for Turn On This Line.
- Restart your iPhone. Often, the most frustrating problems are fixed by a simple restart. If you’re getting SIM card errors on your iPhone, turn it off and after waiting for a minute, turn it back on.
- Gently wipe and reinsert the SIM card. Sometimes after restarting my four-year-old iPhone, I would get the SIM Not Valid or No SIM Card message even though a functioning card is inserted.
Oct 20, 2020 · The SIM card is the central component that connects your iPhone 8 to cellular service. Sometimes, removing and then replacing your SIM card can resolve issues preventing your iPhone from accessing Cellular service.
- SIM Card. Your SIM card is actually a small computer chip embedded into plastic so it can be transferred easily across devices. Although they are resilient, they can become faulty, or may not be compatible with the phone you’ve transferred it into.
- Phone is Carrier Locked. Especially in the US, where the cost of a cell phone is often paid off in installments, service providers implement locks to prevent you from utilizing your equipment with competitors.
- Software Bug. Occasionally, incompatible or corrupted software can cause network issues with an iPhone. It is infrequent, but worth ruling out before embarking on deeper level hardware fixes.
- Faulty SIM slot. This occurs most frequently on newer models of iPhone. Beginning with the iPhone XR, some models feature a Apple iPhone Parts. On previous models, the slot is soldered onto the logic board.
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.
Nov 12, 2021 · Your iPhone is telling you that the SIM card isn’t supported. In this article, I’ll show you how to fix the problem when it says “SIM not supported” on your iPhone! Why Is My iPhone SIM Not Supported? An iPhone usually says a SIM is not supported because your iPhone is locked to your carrier.
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Nov 12, 2021 · If you get an ‘Invalid SIM On iPhone’ or invalid SIM message on that other device, it’s possible that there is something wrong with your SIM card OR you need to contact your wireless carrier. You may also want to consider switching to a new wireless carrier using our plan comparison tool.
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