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 발행물:
- 비행기 모드가 켜져 있습니다.
- Unsupported network mode
- Disabled SIM card
- Incorrect network APN settings
- SIM card inserted improperly
- Corrupt cached data
- SIM card problem
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참고 : 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).
방법 1: 기본 문제 해결 방법
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.을 길게 힘 버튼을 클릭합니다.
2. 다음으로 다시 시작합니다.
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.
또한 읽기 : 수정 시스템 UI가 Android에서 블랙 스크린을 중지했습니다.
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. 로 이동 알림 패널 on your device by swiping down the top notification bar 화면에.
2. 해당 탭을 누릅니다. 비행기 모드 그것을 돌리는 아이콘 On 그렇다면 떨어져서 기본적으로
3. Wait for a few seconds and tap on the 비행기 모드 그것을 돌리는 아이콘 떨어져서.
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 장부 아이콘 를 열려면 설정 메뉴를 선택합니다.
2. 다음으로 네트워크 및 인터넷.
3. 누르세요. SIM 카드.
4. 전원을 켜십시오 the toggle for the SIM cards inserted if it is disabled.
또한 읽기 : Android가 앱 최적화를 시작하는 문제 수정 1/1
방법 3: Android OS 업데이트
Always keep your Android phone up-to-date to avoid any software and hardware conflicts. To update your phone, follow the below steps:
1. 이동 설정 인사말 notifications panel.
2. 아래로 스와이프하고 탭하세요. .
3. 이제 Advnaced.
4. 그런 다음 시스템 업데이트 to check for any updates.
4A. If an update is available, 설치 업데이트와 재부팅 당신의 장치.
4B. If your Android OS is up-to-date, it will say 시스템이 최신 상태입니다..
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. 아래로 스와이프 공고 menu from the home screen and tap on the 설정 아이콘.
2. 누르세요. 네트워크 및 인터넷.
3. 이제 모바일 네트워크.
4. 이제 Advnaced.
5. Turn Off the toggle for the option 자동으로 네트워크 선택.
6. 이제 Choose network.
7. Now, choose your 네트워크 운영자 수동으로.
또한 읽기 : Android에서 느린 충전 문제를 해결하는 방법
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. 이동 설정 탭하다 네트워크 및 인터넷.
2. 누르세요. 모바일 네트워크.
3. 누르세요. 포인트 이름에 액세스.
4. 해당 탭을 누릅니다. 3 도트 선택 기본값으로 재설정.
5. 이제 + 아이콘 그리고 추가 APN details.
참고 : The details of APN will be available on the official carrier website (e.g., 보다 폰 (Vodafone)).
6. 완료되면 눈금 오른쪽 상단에 있습니다.
방법 6: 네트워크 설정 재설정
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. 열려있는 설정.
2. 아래로 스크롤하여 누릅니다. , 다음 재설정 옵션.
3. 마지막으로 Reset, Wi-Fi, mobile & Bluetooth 옵션을 선택합니다.
4. 누르세요. 재설정 설정.
5. 당신의 핀 또는 비밀번호 메시지가 표시되면.
6. 해당 탭을 누릅니다. 재설정 설정 옵션을 다시 선택하십시오.
또한 읽기 : Android에서 WiFi가 자동으로 꺼지는 문제 수정
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. 로 이동 설정 메뉴에서 quick access menu.
2. 해당 탭을 누릅니다. 앱 및 알림.
3. 누르세요. 세 점 아이콘 오른쪽 상단에서 선택 시스템 표시.
4. 누르세요. SIM 툴킷.
5. 다음으로 스토리지 및 캐시.
6. 마지막으로 캐시 삭제.
또한 읽기 : Android에서 대기 중인 다운로드를 수정하는 방법
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. 아래로 스와이프 notifications panel 가서 설정.
2. 아래로 스와이프하고 탭하세요. 스토리지.
3. 이제 내부 공유 저장소.
4. 마지막으로 Cached files to delete files.
This can solve the SIM card not working Android issue
방법 9: 안전 모드로 부팅
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. 기다려라. 전원 버튼.
2. In the pop-up menu, press and hold the 전원 오프 option until the Safe mode appears.
3. 누르세요. OK to restart in safe mode.
You will also see the words Safe Mode written on your home screen at the bottom.
또한 읽기 : Android에서 고속 충전이 작동하지 않는 문제 수정
방법 10: 공장 초기화 수행
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. 열려있는 설정 탭하다 .
2. 이제 재설정 옵션, 다음 모든 데이터 삭제 (초기화).
3. 해당 탭을 누릅니다. 모든 데이터 지우기 버튼을 클릭합니다.
4. 당신의 PIN 또는 패턴, 만약에 어떠한.
5. 누르세요. 클리어 날짜 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.
권장 사항 :
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!