Sometimes dust can get between the SIM and your phone causing communication issues, to remove the dust: ... Clean the gold connectors on the SIM with a clean lint-free cloth. Replace the battery and turn your phone on without the SIM. Turn your phone off, replace the SIM and restart the phone.
Why my SIM is not working in my phone?
Open Settings > Mobile Network. Under SIM Card info and Settings, Tap the SIM, and toggle on “Enable”. Also, make sure the data roaming is ON to avoid this issue when you're in a roaming area. When you face the issue of “SIM Card not detected”, clearing out cache data could prove an effective solution.
What to do if SIM stops working?
Try the following methods to get your SIM card back.
- Restart Your Phone. Press and hold the power button for more than 10 seconds to restart the phone, and let it re-detect the SIM card.
- Clean the SIM Card. Remove your SIM card and check whether the metal surface is stained. ...
- Try on Another Phone.
