If you have bought a new SIM card or an old SIM card and inserted it into your Android smartphone to access the Internet, you encountered an issue on your phone, which now says SIM card not detected. You have removed the SIM card several times to re-check if it is inserted correctly, but you still encounter the same error.
You might be frustrated and out of options to try. If you are wondering how to fix this SIM slot not working issue, you are at the right article. Here, we discuss why the error occurs and the appropriate solutions to effectively solve the SIM card not working Android problem. Let’s get started.
How to Fix SIM Card Not Working on Android
Below are the primary reasons for this Android probleem:
- Airplane mode is turned on
- Unsupported network mode
- Disabled SIM card
- Incorrect network APN settings
- SIM card inserted improperly
- Corrupt cached data
- SIM card problem
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Noat: Since smartphones don’t have the same Settings options, and they vary from manufacturer to manufacturer hence, ensure the correct settings before changing any. The following methods were tried on Moto G (8) power lite – Android 10 (Stock).
Metoade 1: Basic Troubleshooting Metoaden
Here are a few basic troubleshooting methods to fix SIM card not working on Android device.
1A. Restart Phone
SIM cards inserted might require a restart for it to initialize in case of a newly installed one. Follow the below steps:
1. Druk en hâld de krêft knop.
2. Folgjende, tik op de Restart.
1B. Clean Golden Side of SIM Card
The golden side of the SIM card attracts dust over time which can be cleaned with a soft cloth. Remove the SIM card holder and the SIM card to clean the golden side of the SIM card. Slide back the SIM inside. This may resolve the problem of the SIM slot not working issue.
1C. Try Another SIM Card
Sometimes, you may doubt the SIM slot not working. There might be a problem with the SIM card holder. It can be damaged or is not functional. If this is the case, you can try inserting another working SIM card in the SIM card holder to see if it works. If the device still displays the SIM card not detected error, there might be a problem with the device or the SIM card holder.
1D. Try Another Android Mobile
If inserting another SIM card on your current Android device did not work for you, try inserting the SIM card in a different Android device, as there might be a chance of hardware issues in the device itself.
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1E. Disable Airplane Mode
An issue with the network reception can cause SIM cards not to detect the type of problems. So to overcome these problems, it helps to turn on and off the Airplane mode to block the problematic network reception and see if the SIM card gets detected.
1. Gean nei de meldingspaniel on your device by swiping down the top notification bar op it skerm.
2. Tapearje op 'e Airplane mode icon to turn it On as it is Út standert.
3. Wait for a few seconds and tap on the Airplane mode icon to turn it Út.
Method 2: Enable SIM card
You might have accidentally disabled the SIM card in the settings. In Android, there is a toggle to disable the SIM card while it is in use. Follow the below steps:
1. Swipe down on the home screen and tap on the cog-byldkaike om it te iepenjen ynstellings menu.
2. Folgjende, tik op Netwurk & ynternet.
3. Tapearje op SIM-kaarten.
4. Oandwaan the toggle for the SIM cards inserted if it is disabled.
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Metoade 3: Update Android OS
Always keep your Android phone up-to-date to avoid any software and hardware conflicts. To update your phone, follow the below steps:
1. Gean nei ynstellings fan de notifications panel.
2. Feegje nei ûnderen en tik op Systeem.
3. No, tikje op Avansearre.
4. Dan, tap op Systeem updates to check for any updates.
4A. If an update is available, ynstallearje the update and lit herstarten jo apparaat.
4B. If your Android OS is up-to-date, it will say Jo systeem is bywurke.
Method 4: Search Manually for Network Operators
Sometimes, your carrier operator settings may change due to system conflicts due to some network or data conflicts. Due to this, you might experience the SIM card not working Android issue. Follow the below steps to resolve the same:
1. Swipe down the Notifikaasje menu from the home screen and tap on the Ynstellings byldkaike.
2. Tapearje op Netwurk & ynternet.
3. No, tikje op Mobyl netwurk.
4. No, tikje op Avansearre.
5. Turn Off the toggle for the option Selektearje automatysk netwurk.
6. No, tikje op Choose network.
7. Now, choose your netwurkbehearder manuell.
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Method 5: Create and Update APN Settings
This issue can sometimes occur if your SIM card carrier access point network is not configured. You can try manually editing the APN to see if the SIM card not working Android issue persists. Follow the below steps:
1. Gean nei ynstellings en klikje op Netwurk & ynternet.
2. Tapearje op Mobyl netwurk.
3. Tapearje op Tagongspunt nammen.
4. Tapearje op 'e trije punten en selektearje Weromsette nei standert.
5. No, tik op de + byldkaike en heakje de APN details.
Noat: The details of APN will be available on the official carrier website (e.g., Vodafone).
6. Ienris dien, tik op de tick mark yn de hoek rjochts boppe.
Metoade 6: Netwurkynstellingen weromsette
Older cached files and settings might conflict with the SIM card and cause network issues such as the SIM card not being detected. To fix this, you might need to clear the network settings cache on your phone manually.
1. Iepen ynstellings.
2. Rôlje nei ûnderen en tap op Systeem, folge troch Opsjes opnij ynstelle.
3. Ta beslút, tik op de Reset, Wi-Fi, mobile & Bluetooth opsje.
4. Tapearje op RESET ynstellings.
5. Fier jo pin of wachtwurd as frege.
6. Tapearje op 'e RESET ynstellings opsje wer.
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Method 7: Clear SIM Card Cache
There is a system app called SIM card manager (or SIM toolkit on some devices). Clearing the data and cache of these can be helpful. Follow the below steps:
1. Gean nei de ynstellings menu út de quick access menu.
2. Tapearje op 'e Apps & notifikaasjes.
3. Tapearje op trije stippen byldkaike rjochts boppe en selektearje Systeem sjen litte.
4. Tapearje op SIM Toolkit.
5. Folgjende, tik op Opslach & lytsûnthâld.
6. As lêste, tik op CACHE SKJINMEITSJE.
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Method 8: Clear Android Internal Cached Data
It is worth a shot to clear the internal Android cache as the cache gets clogged up over time and causes issues later on. Follow the below steps:
1. Swipe down the notifications panel en gean nei ynstellings.
2. Feegje nei ûnderen en tik op Opslach.
3. No, tikje op Ynterne dielde opslach.
4. As lêste, tik op Cached files to delete files.
This can solve the SIM card not working Android issue
Method 9: Boot into Safe Mode
There is a possibility that any apps can interfere with the initialization of the SIM card. If so, you can try booting your mobile into safe mode. Safe mode only loads the apps required to start the device without user-installed apps. If your SIM card works, then there might be problems with one of your apps.
1. Hâld de Knop knop.
2. In the pop-up menu, press and hold the Útskeakelje option until the Safe mode appears.
3. Tapearje op OK to restart in safe mode.
You will also see the words Safe Mode written on your home screen at the bottom.
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Metoade 10: Fier Factory Reset út
If all else fails, you can try a factory reset to see if that works. Use this method as a last resort as this will wipe all data from your phone. It is wise to backup all your data before performing this step. Follow the below steps to resolve the SIM card not working on Android:
1. Iepen ynstellings en klikje op Systeem.
2. No, tikje op Opsjes opnij ynstelle, folge troch Wiskje alle gegevens (fabriek weromsette).
3. Tapearje op 'e Wiskje alle gegevens knop.
4. Fier jo PIN or pattern, as ien.
5. Tapearje op Dúdlike gegevens to begin factory reset.
Method 11: Contact Customer Service Center
If none of the above methods worked and your Android mobile is still under warranty, you can provide your mobile to the nearby service center. If it is not under warranty, it is still worth taking your mobile to the service center since the service technicians can most probably solve the problems.
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We hope the above article on the fix SIM card not working Android issue was helpful and you could troubleshoot and solve your problem. Please let us know in the comments which one of the methods solved the problem for you. Also, don’t forget to share your queries or feedback on this article. Thanks!