If your SIM isn’t working, the first thing you should do is check your phone’s display. If you get a notice like “SIM error,” “Insert SIM,” “SIM not ready,” or something similar, remove the SIM and replace it before turning on your phone.
The SIM card is usually found underneath the battery or on the side of your phone, but it’s better to check with the manufacturer for specific instructions.
In most circumstances, the phone has simply lost contact with the SIM (perhaps as a result of being dropped), and reinserting the SIM will resolve the issue.
Your Android handset is unable to read the SIM card for a variety of reasons. It’s possible that you didn’t properly insert the SIM card or that your Android device is suffering a software problem. When your phone reads, “No SIM card detected,” whatever the reason, you need to find a solution soon.
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Process of what you can do if your SIM card Doesn’t Work
Here are several solutions for when your Android phone is unable to identify the SIM card:-
Power Cycling Your Phone
Rebooting or power cycling your phone will usually resolve the SIM card not detected issue. When you reboot your Android phone, the operating system and all installed apps are relaunched. This is one of the quickest repairs if your phone’s software isn’t recognizing your SIM. When you restart your phone, it will attempt to connect to a network again, which will start a new search for your SIM card.
- You’ll need to do the following to power cycle your phone:
- Hold down the power button on your phone until the reboot menu appears on the screen.
- Depending on the type of Android device you’re using, tap “Restart” or “Reboot.”
- In the next step, confirm your selection.
- Wait for your phone to come back to life.
If your SIM card is still not identified after following these instructions, there are a few alternative options to consider.
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Reinsert SIM Card
If your SIM card is not identified, it’s conceivable that you inserted it wrong or that there’s a problem with the SIM slot itself, as previously stated. It’s also conceivable that the SIM slot is clogged with dirt, making the system unable to recognize it. What can be done to resolve this problem?
- Before removing the rear of your smartphone’s cover, make sure your phone is turned off.
- To access the SIM card slot, remove the battery. (On some Android phones, the SIM slot is not covered by the battery, so you don’t have to remove it.)
- Remove the SIM card and wipe the SIM card slot with a brush or a dry towel.
- Replace your SIM card and turn on your device.
What if your SIM slot is loose?
- It’s possible that the SIM card slot is loose if your SIM card slips in or out too easily.
- One solution is to apply some pressure to the slot.
- Double-check that the slot can accommodate your SIM card.
- Put your battery back on your device and switch it on if you’re convinced your SIM won’t fall off easily.
Make sure you don’t put too much pressure on the SIM card slot or your cellphone will be damaged. If these measures do not resolve the issue and your SIM slot remains loose, you can take your smartphone to Qwikfone to have it checked and serviced by professionals.
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Activate Airplane Mode
If powering down your smartphone or reinserting your SIM card doesn’t fix the problem, it’s conceivable that your SIM card isn’t the issue. You can double-check this by using a separate phone with your SIM card. If it works, it means your SIM card is in good working order. So, what are your options for getting your SIM card to work? It’s conceivable that turning on Airplane mode on your phone will solve the problem. This is what you must do:
- On your phone’s home screen, pull down the notification/toggle screen.
- Tap on the airplane or flight mode when you find it.
- To enable this feature, you must confirm your action.
- Before turning off Airplane mode, wait a full minute.
- Check your phone to see if the SIM card is already readable once you’ve completed these procedures. If not, proceed to the next step in resolving the problem.
Change Your Phone’s Network Mode
Users may, on rare occasions, select the incorrect network provider on their phone, resulting in the SIM card being undiscovered. Fortunately, there is a solution to this problem, which is to set your phone’s network mode to auto.
- On your smartphone, go to Settings.
- Locate the section dealing with mobile networks. It could be referred to in a variety of ways on Android phones. This is usually found under Networks or Connections.
- Look for terms like “SIM cards and Mobile Networks.” Select this option by tapping it.
- The “Preferred Network Type” or “Network Mode” choice will appear. It should be tapped.
- Various alternatives, such as CDMA, LET, GSM, and others, will display here. You should pick one that is supported by your mobile carrier. If you’re not sure which one your device supports, contact your cell phone carrier’s customer service department.
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Clear Your Device’s Cache and Data
If your phone’s SIM card isn’t being detected, another option is to delete the cached data on your device. To do so, go to Settings and then tap on Storage. Look for Cached Data under Internal Storage. To confirm that you want to erase all cached data, tap on Cached Data. A pop-up box will appear. This may cause your phone to take longer to launch and require you to log in to some of your apps again, but it could be the solution your device requires to identify your SIM card.
You must first enter Recovery Mode before clearing the cache sector. You may go here by hitting the Power, Volume, and Home keys at the same time. Toggling your Volume keys will take you to the Wipe Cache Partition option once you’re in Recovery Mode. To select an option, press the Power button. Check to see if your phone is working normally now that you’ve used this remedy.
Remove Third-Party Apps
Third-party apps could also be to blame for your SIM card not being recognized. Third-party apps are those that we download from Google Play onto our devices. You should run your Android phone in Safe mode for 2 to 4 hours to double-check that the error isn’t caused by third-party apps. If the error persists, it’s possible that a third-party application is to blame.
When you start your device in Safe Mode, it just runs the default settings. This will help you rule out any potential interference or misconduct from third-party apps. If you suspect that one of the apps you’ve installed is the source of the problem, consider deleting it to see if the error goes away. If it does, the software you downloaded is to blame, and you should hunt for a similar program to download that won’t cause you any issues. If this is the case, you should move on to the following step.
Call Customer Service
If you’ve followed the procedures above and your phone still won’t read your SIM card, take it to your phone’s service facility. Make sure you have your phone with you when you do this so you can present the IMEI number. Depending on the situation, the service facility may replace the slot reader, your device, or your SIM card, saving you time and money in the future. The SIM card may just need to be activated for it to be detected by your device in some cases. As a result, contacting your phone’s service center is also a viable alternative to explore.
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Update Your Android OS
Updating your device’s operating system is another option for dealing with an unnoticed SIM card. By going to the Settings menu on your phone, you may see if there are any available updates. Select Check for System Updates from the System Updates menu. Whether your phone’s operating system has recently been updated, you should update it to see if it fixes the error. It will take some time to update the operating system. You can verify if your SIM is already detected once it’s finished. Checking your smartphone’s operating system to determine if it’s up to date on a regular basis will help you avoid problems as No SIM card is recognized.
Manually Choose APN and APN Protocol
What other options do you have for fixing a SIM card that is undetected? Selecting APN and the APN protocol manually may help. To access Mobile Networks or Wireless Networks, first, go to Settings and then tap on Mobile Networks or Wireless Networks. Select Access Point Names from the drop-down menu. You can add the APN setting by going to your mobile carrier’s website and tapping on it. Switch to IPV4 if your APN protocol is IPV6.
Reset Your Network Settings
Having an undetectable SIM card can be aggravating, especially when the card is not identified by any phone. However, you could try resetting your network settings to see if this solves the problem. First, go to Settings, then Backup & Reset. Select Network Settings Reset to restore your phone’s default network settings. After that, you can manually select your network settings to verify if it fixes the undiscovered SIM card on your device.
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What if SIM Card is Undetected After OS Update?
It’s conceivable that your device can’t read your SIM card because the OS has to be upgraded, as previously stated. However, what if the issue persists after you’ve updated your device? If you find yourself in this predicament, it’s possible that an old piece of data is to blame. Fortunately, there are a few things you can do to assist in the resolution of this problem.
The device should be restarted. To see if the problem persists after you’ve upgraded your operating system, you’ll need to restart your device.
Replace the SIM card. Remove your SIM card and clean the SIM tray if the issue persists. It’s conceivable that dust particles obstruct your phone’s ability to read your SIM card. Check to see if your SIM card is loose as well.
Reset the device to its default settings. After you’ve completed all of these steps, your device should be reset to factory defaults. Before you proceed, make sure you’ve backed up all of your phone’s data. Keep in mind that resetting your phone to factory settings will wipe out all of your data. Check to see if the last step has resolved the problem.
You should take your smartphone to a service center to have it checked if you’ve followed all of these instructions to resolve the No SIM Card issue. There are professionals in this industry that can figure out why your gadget is refusing to detect your SIM card. If your phone is still covered by the manufacturer’s warranty, you can return it to the retailer where you bought it. They will examine your equipment to determine why it is malfunctioning and provide you a solution.
Conclusion
If you’ve tried all 20 techniques and your Android phone still reads “No SIM Card,” your phone’s hardware is most likely broken. Otherwise, your SIM Card may be damaged or defective.
Hopefully, this will restore normalcy to your Android. If not, post a comment below and I’ll try my best to assist you depending on your unique situation.
If the issue persists despite the fact that your warranty has expired, contact the manufacturer or your service provider. If it’s no longer covered by the manufacturer’s warranty, you’ll have to take it to a repair shop.
In the comments box below, let us know what I can do to assist!
