Revision to iPhone Invalid or No SIM
| In order for your iPhone to receive a signal from your cell phone provider, it needs a SIM card to identify itself to your carrier's network. If your phone cannot detect, or use your SIM card, you're not going to get very far if you're out of WiFi range. Fixing this issue is usually simple, but in the case that it's not, we've covered all the bases here. | |
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| - | If you have an iPhone 7 model A1660, A1780 or A1779, [link|https://support.apple.com/iphone-7-no-service|Apple has a program] that may address your issue. Although the program specifies No Service, it can also encompass SIM not detected and Apple may repair this for you at no charge. |
| == First Steps == | |
| 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. | |
| - | * Perform a [guide|121369|Network Settings reset |
| + | * Perform a [guide|121369|Network Settings reset]. Be aware this will clear all known WiFi networks and Bluetooth devices. You will need to reconnect them afterward. |
| * Update the operating system to the most recent version. | |
| - | * To rule out software altogether, [guide|153037|reset the device |
| + | * To rule out software altogether, [guide|153037|reset the device]. In cases of a potential operating system fault, do this via a PC with iTunes or a Mac to be sure a fresh copy of iOS is installed. |
| ** ***Note:*** Proceed with caution. This may break the ability to activate your phone if the issue is hardware related. Activation is necessary to complete setup, so If this happens you'll be unable to get to the home screen. Be advised this is a possibility. | |
| == Faulty SIM slot == | |
| - | This occurs most frequently on newer models of iPhone. Beginning with the iPhone XR, some models feature a [ |
| + | This occurs most frequently on newer models of iPhone. Beginning with the iPhone XR, some models feature a [parts|iPhone|modular SIM card reader|new_window=true|params=q=SIM%20slot]. On previous models, the slot is soldered onto the logic board. |
| * The SIM slot is a frequent entry point for liquids, despite the gasket Apple has utilized since the iPhone 7. Verify the liquid damage indicator inside the SIM slot has not been triggered. | |
| == Related Pages == | |
| - | * [[iPhone Will Not Connect to WiFi|iPhone Won't Connect to WiFI |
| - | * [[iPhone Keeps Restarting|iPhone Keeps Restarting |
| - | * [[iPhone Stuck on Apple Logo|iPhone Stuck on Apple Logo |
| - | * [[iPhone Bluetooth Not Working|iPhone Bluetooth Not Working |
| + | * [[iPhone Will Not Connect to WiFi|iPhone Won't Connect to WiFI]] |
| + | * [[iPhone Keeps Restarting|iPhone Keeps Restarting]] |
| + | * [[iPhone Stuck on Apple Logo|iPhone Stuck on Apple Logo]] |
| + | * [[iPhone Bluetooth Not Working|iPhone Bluetooth Not Working]] |
| == Additional Resources == | |
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