How do I fix an invalid SIM card?

What do you do when your phone says invalid SIM?

The easiest method to fix an invalid SIM card on Android is by restarting your Android phone. Restarting your device removes all bugs from your device and fix small errors. So, you should also restart your device to connect to the network again and then check the error is solved or not.

How do I activate an invalid SIM?

The steps are discussed in detail for Android and iOS.

  1. Reboot Your Device. …
  2. Re-Insert SIM Card. …
  3. Switch to Supported Network Operator. …
  4. Reset Network Settings. …
  5. Switch Airplane Mode On and Off. …
  6. Activate Safe Mode. …
  7. Update Software. …
  8. Factory Reset.

What does it mean when a SIM card is invalid?

Well, the invalid SIM card error means that either there is no SIM card on phone or it may be due to faulty connection or it is loose. It does not matter why you are getting such error message because there is some connection between your SIM card and its tray.

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How do I fix no SIM card on Android?

How to Fix ‘No SIM Card Detected’ Error on Android

  1. If Reboot Fails, Shut Down Your Phone. …
  2. Switch Your SIM Card On. …
  3. Change the Network Mode to Auto. …
  4. Choose the Correct Network Operator. …
  5. Enter Your Network APN Settings Manually. …
  6. Remove the SIM Card and Battery. …
  7. Try Using Your Phone in Safe Mode. …
  8. Airplane Mode Solution.

Does invalid SIM mean phone is locked?

Invalid SIM means that the phone is locked to a carrier, and the SIM card isn’t for that carrier. SIM card locked means that you need a PUK code to unlock it. So call your carrier and ask for your PUK code.

Why won’t my phone read my SIM card?

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.

Why my SIM network is not working?

Method 1: Remove Battery and SIM Card



The network error can be fixed by re-inserting the SIM card properly. Here are the steps you need to do. Step 1: Power off your Android smartphone and remove both battery and SIM card. Step 2: Wait for about 5 minutes and then insert SIM and battery.

How do I activate my SIM card?

Follow these steps to make the connection:

  1. Eject the SIM card from the device and record the SIM ID. …
  2. Insert the SIM after your account has been updated.
  3. Restart your phone again and allow the activation process to complete fully.
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How do you reset a SIM card?

Resetting SIM card through the phone’s settings



Insert the SIM card into your cell phone’s SIM card slot and place the back cover securely. Then, turn on the phone. Step 2. Go to the “Settings” menu and choose “Reset” from the list of options that are displayed.

Why is my phone says mobile network unavailable?

The problem can most likely be a lack of reception within your area. Please note that the mobile network not available on the Samsung galaxy can most likely be triggered by a bad signal/ reception, your Samsung galaxy coverage, your location, or SIM exhaustion.

Why does my new SIM card not work?

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.

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