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Jan 11, 2024 · 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 SIM card back.
Check for a network provider 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 network provider. 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 SIM card back.
Nov 12, 2021 · Tap Software Update. Tap Download and Install if an iOS update is available. Move onto the next step if your iPhone is up to date. Eject And Reinsert The SIM Card. Reseating the SIM card in your iPhone can fix several minor issues. Look for the SIM card tray on the side of your iPhone.
Sep 5, 2023 · Causes. 1. 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. Try a simple reseat of the card. Eject the SIM tray.
Nov 30, 2021 · Jump To: Common Issues: Why Does My iPhone Keep Saying No SIM? Common Fixes: SIM Card Not Working on iPhone or iPad. Common Issues: Why Does My iPhone Keep Saying No SIM? What does a SIM card do? Essentially, a SIM card is what makes your iPhone a phone.
Feb 2, 2024 · 1. Insert SIM in Another iPhone. 2. Check if Carrier Plan Has Expired. 3. SIM/eSIM Is Locked. 4. Is iPhone Locked to a Carrier. 5. Update iOS and Carrier Settings. 6. Reset Network Settings. Future Calling. Why Do SIM Cards or eSIMs Fail.
Nov 12, 2021 · Swipe the red power icon from left to right to shut down your iPhone. Wait a few seconds, then press and hold down the power button or side button to turn your iPhone back on. Update Your iPhone. Your iPhone could also be saying Invalid SIM because it’s software is out of date.
