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Sep 16, 2024 · 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.
- Melvin Cooper
- Turn on Airplane Mode and Turn It off. This is an easy and simple remedy. Visit Control Center and tap on Airplane icon. After about ten to fifteen seconds turn the mode off and see if the SIM Card is getting detected.
- Clean the SIM Card Slot. The SIM Card tray slot must be kept clean and dust free at all times. The dust that gets accumulated in the slot prevents the sensors from detecting the SIM.
- Check the SIM Tray. iPhone SIM Card tray can be ejected from the slot by using a simple paper clip. Insert the clip in the small hole on the tray and press lightly.
- Test with Another SIM Card. Using a SIM Card, other than your original one, can be helpful to test if your original SIM is damaged. If your iPhone won't read SIM Card, just contact your Carrier’s retail store and put in a request to issue another SIM Card or just replace the old one if another SIM card can be detected.
- Restart iPhone. Press and hold the side button and volume up button for a few seconds. This will bring you to the power options screen. The best first troubleshooting step when you have glitches on your phone is usually to restart it to see if the issue gets fixed.
- Check For an Active Cell Plan. Open the Settings app. If you don't have an active cellular plan, you won't be able to make calls or use apps like WhatsApp or Viber.
- Check For Carrier Settings Update. Connect your phone to Wi-Fi. If you're having issues with cellular-related activities on your phone and keep getting a SIM failure error, first connect your phone to Wi-Fi if it isn't already.
- Reinsert SIM Card. Open the SIM tray. If you have a physical SIM, removing the SIM card and putting it back in can help refresh any SIM failure errors.
- Tech Writer
- Idownloadblog
- 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.
- 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.
Nov 30, 2021 · Sometimes the solution is incredibly simple, such as a software bug fixed by restarting your device or cleaning dust off of your SIM card. We'll cover the top solutions to get the SIM card on your iPhone or iPad working again.
Mar 20, 2022 · Did you try to connect to your mobile network, but your SIM card isn’t working? Or did you get a specific error on your iPhone that says “No SIM Card Installed?” A device without a working SIM card is almost useless. In this article, we’re going to look at the most common issues that prevent your SIM card from working properly.
