Why does my phone say no SIM card when there is one?
If what’s causing your SIM card error is a software issue, sometimes a simple reboot is all it takes to fix the problem.
Long-press on the power button until the pop-up window appears with the “Restart” option.
Tap on it to restart the phone..
Why does my phone say no SIM card android?
Some of the possible causes may be SIM card is not inserted correctly, SIM card or card slot in the device is broken, SIM card is disabled or phone software is corrupted. Try these steps to troubleshoot the issue: … Check the SIM card. Turn off your phone and take out the SIM tray.
Why does iPhone keep saying no SIM?
There are a number of reasons for the iPhone No SIM error. It could be that the iPhone doesn’t recognize its SIM card, which is used to connect to these networks. This problem can also be caused by your SIM card becoming slightly dislodged or a problem with your phone’s software.
Do SIM cards expire?
When you activate a prepaid subscriber identity module, or “SIM,” card for a phone, the call, text and Internet credit you purchase expires after a certain period of time, as specified by the mobile carrier. The SIM card itself never expires, as the SIM serves only to allow the handset to identify the cellular network.