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In this situation, Airplane mode can be the solution. If it receives signals in the new phone, your signal problem could be miscommunication between the nearby cell towers and your original device. To find out if the SIM card is working, you should try inserting it into a different phone. There’s always a chance that the “No SIM Card” error message has nothing to do with your SIM card. Confirm that you want to clear cached data in the dialog box that appears.
#SIM CARD READER NOT WORKING HOW TO#
Here’s how to clear cache data on Android devices: Clearing your cached data can fix network crash bugs or force your device to reallocate memory resources, leading to a reconnection to your carrier. Sometimes cache data gets corrupted, a situation that can cause all manner of performance problems for your device. Solution 5: Clear the Cache DataĪlthough clearing cache data is usually recommended when there’s a malfunctioning app, it can also solve SIM card errors. Once all dirt and grime are cleared, make sure you dry off any excess liquid before sliding the SIM card back in.Īfter cleaning and re-inserting your SIM card, you should power your device back on and check whether the problem is solved. You may soak the cloth in rubbing alcohol or some other non-conductive spray.
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When you power off your phone, it terminates all connections with cell towers, and its radios are turned off. If you want to be even more thorough, you may want to remove your battery as soon as you power off your device. You may also need to unplug your device from any power source. Confirm your choice on the pop-up screen.Press down the power button and then select “Turn off” or “Power off” from the pop-up menu, depending on the type of device you’re using.Shutting your device and waiting at least 30 seconds before powering it back up can be the solution. Some Android users have reported that the “No SIM Card” error message persists even after restarting their devices. In most cases, rebooting your device solves the problem. Solution 2: If Reboot Fails, Shut Down Your Phone It’s not uncommon for carriers to experience technical glitches that culminate in network failure. After rebooting, you should also be on the lookout for any messages from your carrier that may have instructions on fixing the issue.