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 assumpte:
- 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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Nota: 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).
Mètode 1: Mètodes bàsics de resolució de problemes
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. Mantingueu premut el botó poder botó.
2. A continuació, toqueu el botó Reinicia.
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. Aneu a la tauler de notificacions on your device by swiping down the top notification bar a la pantalla.
2. Toca el botó Mode avió icon to turn it On si és apagat per defecte.
3. Wait for a few seconds and tap on the Mode avió icon to turn it apagat.
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 icona de cremallera per obrir el ajustos menú.
2. A continuació, toqueu Xarxa i Internet.
3. Toca sobre Targetes SIM.
4. Encendre the toggle for the SIM cards inserted if it is disabled.
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Mètode 3: actualitzeu el sistema operatiu Android
Always keep your Android phone up-to-date to avoid any software and hardware conflicts. To update your phone, follow the below steps:
1. Anar a Configuració des notifications panel.
2. Feu lliscar cap avall i toqueu Sistema.
3. Ara, toqueu Avançat.
4. A continuació, toqueu Actualitzacions del sistema to check for any updates.
4A. If an update is available, instal · lar the update and reiniciar el vostre dispositiu.
4B. If your Android OS is up-to-date, it will say Your system is up to date.
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. Feu lliscar el dit cap avall notificació menu from the home screen and tap on the Icona de configuració.
2. Toca sobre Xarxa i Internet.
3. Ara, toqueu Xarxa de mòbil.
4. Ara, toqueu Avançat.
5. Turn Off the toggle for the option Seleccioneu automàticament la xarxa.
6. Ara, toqueu Choose network.
7. Now, choose your operador de xarxa manualment.
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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. Anar a Configuració i toqueu Xarxa i Internet.
2. Toca sobre Xarxa de mòbil.
3. Toca sobre Noms del punt d’accés.
4. Toca el botó tres punts i seleccionar Restableix la configuració predeterminada.
5. Ara, toqueu el botó + icona i afegiu el fitxer APN details.
Nota: The details of APN will be available on the official carrier website (e.g., Vodafone).
6. Un cop fet, toqueu el botó marca de marca a l'extrem superior dret.
Mètode 6: restablir la configuració de la xarxa
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. obert Configuració.
2. Desplaceu-vos cap avall i puntegeu en Sistema, Seguit per Restableix les opcions.
3. Finalment, toqueu el botó Reset, Wi-Fi, mobile & Bluetooth opció.
4. Toca sobre RESTABLEIX LA CONFIGURACIÓ.
5. Introduïu el vostre PIN o contrasenya si se us demana.
6. Toca el botó RESTABLEIX LA CONFIGURACIÓ opció de nou.
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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. Aneu a la Configuració menú del quick access menu.
2. Toca el botó Aplicacions i notificacions.
3. Toca sobre icona de tres punts a l'extrem superior dret i seleccioneu Mostra el sistema.
4. Toca sobre Kit d'eines SIM.
5. A continuació, toqueu Emmagatzematge i memòria cau.
6. Finalment, toqueu NETEJAR MEMÒRIA CAU.
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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. Feu lliscar el dit cap avall notifications panel i aneu a Configuració.
2. Feu lliscar cap avall i toqueu Dipòsit.
3. Ara, toqueu Emmagatzematge compartit intern.
4. Finalment, toqueu 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. Mantingueu premut el botó Botó d'encendre.
2. In the pop-up menu, press and hold the Apagar option until the Safe mode appears.
3. Toca sobre 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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Mètode 10: feu el restabliment de fàbrica
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. obert Configuració i toqueu Sistema.
2. Ara, toqueu Restableix les opcions, Seguit per Esborra totes les dades (restabliment de fàbrica).
3. Toca el botó Esborreu totes les dades botó.
4. Introduïu el vostre PIN or pattern, si n’hi ha.
5. Toca sobre Esborrar les dades 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!