How do I fix an invalid SIM card?

How do I fix an invalid SIM card?

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.

Why does it say invalid SIM card on my phone?

When your phone says no SIM card Android then it simply means that either there is no SIM card inserted, not recognizable SIM card and loose SIM card connection. This is a serious issue because you cannot use your phone without a SIM card for any purpose.

Why is my Samsung not reading my SIM card?

Loose SIM card slot will caused the card losing the connection with the reader of the device. Solution: You can try to apply some pressure to the slot check again if the slot hold the SIM properly. 3. Dust over the slot and SIM card reader making the slot incapable of reading the card properly.

How do I fix my Samsung SIM card error?

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.

What do you lose when you change SIM cards?

When you remove your SIM card from your phone and replace it with another card, you lose access to any information on the original card. This information is still stored on the old card, so any phone numbers, addresses or text messages that you lose are available if you insert the old card into the device.

Can a SIM card be reactivated?

Is it possible to reactivate my SIM? Once a SIM card has been deactivated, it’s not possible to reactivate it. Moreover, deactivating the SIM card returns the phone number associated with it to the pool of available phone numbers. It is therefore impossible to keep the phone number associated with a deactivated SIM.

Why is my phone not connecting to a network?

To do this, go to settings and tap on “Wireless Networks” or “Connections.” From there, switch on Airplane mode and turn off your phone. Wait for half a minute and then turn your mobile phone back on. Go to the same settings section and turn off Airplane mode. After that, check if your mobile data is working again.

Why does my phone say sign into network?

Q: Why does my phone say “sign into network” when I have my mobile data on? Have you got the phone’s WiFi turned on? If you have and it has found a network to which it can connect, often an open (unencrypted) network, then it will use that in preference to using cellular data. Turn off WiFi and see if it still does it.