I’m sure you have experienced this problem. You’re in a new area and go to use your phone at a shop. You check to make sure the sim card is in place, but it is not working. Yes, we all have seen this happen, and sometimes you end up losing your data connection because of it. Sort of annoying to have to go back to a shop to get your sim card working again.

This is a common occurrence. I often read of people who have a smartphone and a sim card. The sim card works fine in their mobile with no issues. They don’t have problems accessing the internet or making calls. They even have several texts messages and emails written to them that they haven’t read or responded to. The phone works fine, but the sim card isn’t working.

Even though you’ve tried every fix that’s been suggested online, your sim card won’t work. Here’s the upshot: if your phone has been turned off for about fifteen minutes or more, there’s a good chance the sim card has become defective.

SIM cards are crucial components of a phone. After all, without one, you won’t be able to make calls, send SMSs, or access data on your phone. So, if your SIM card suddenly stops working, it might be a nightmare.

We’ll go over a couple remedies in this article to assist you get your SIM back up and running.


When fixing situations like this, one of the first things you should do is restart your phone. Restarting your phone can help to refresh everything, which can assist to cure a slew of apparently random bugs that appear out of nowhere. 

Also check out: How to Set Up Dual SIM on an iPhone.


Another source of problems is if your SIM card is not correctly inserted or making touch with the module inside your phone. This can be resolved by turning off your phone, removing the SIM card, then reinserting it.


Enabling and removing airplane mode essentially restarts all of your phone’s network equipment, including WiFi, Bluetooth, and, of course, the network modules. It’s similar to soft resetting your phone and can assist in resolving this issue.


If your phone doesn’t have a valid IMEI number, it might create a variety of problems, such as the SIM card not being detected or being unable to register on a network.

To check your IMEI number and make sure everything is in order, open your dialer app and dial *#06#.


This is an Android-specific method that necessitates entering the phone’s bootloader. Here’s how to do it. 

To enter the bootloader, turn your phone off and then hold down the power and volume down keys for around 15 seconds. If it doesn’t work, look through your phone’s handbook or conduct a quick Google search. You should see an option to clear the phone cache once you’ve logged in. After that, restart your phone, and it should work perfectly. If you can’t find one, use one of the other options suggested above.

Read more about how to block your Airtel SIM card.


Some phones provide a feature that allows you to enable or disable SIM cards. Check your settings to make sure your SIM isn’t turned off. 

Sim card not working: 9 Fixes

  • Head over to your phone’s settings and tap on Network & Internet.
  • SIM Cards should be tapped.
  • Ensure that both of your SIM slots are active. 

Incorrect network settings might result in SIM cards not being identified or malfunctioning, among other issues. This will clear your WiFi networks, Bluetooth connections, cellular settings, and even your VPN settings.

Check out our comprehensive tutorial on how to reset network settings and what it may accomplish here. 


To do so, go to your phone’s settings and follow the instructions below.

Sim card not working: 9 Fixes

  • Head over to your phone’s settings and tap on Network & Internet.
  • Select the SIM that is producing issues.
  • Tap Advanced.

Sim card not working: 9 Fixes

  • Select your preferred network type. Make sure you’ve chosen the recommended network type.
  • Make sure the Automatically choose network toggle is turned on. 

Also check out: The Alt Tab button is not working: 6 Solutions


The network registration of a SIM card can also be hampered by incorrect APNs. To make sure you’re on the right APN, follow these steps. Make sure to double-check your APN settings with your network provider first. 

Sim card not working: 9 Fixes

  • Head over to your phone’s settings and tap on Network & Internet.
  • Select the SIM that is producing issues.
  • Tap Advanced.

Sim card not working: 9 Fixes

  • Names of access points can be tapped.
  • Ensure that the correct APN is selected. 

Also see: Why isn’t my Jio Sim working?

Sim card not working: 9 Fixes

When he’s not writing/editing/shooting/hosting all things tech, he streams himself racing virtual vehicles. Yadullah can be reached at [email protected], or you can follow him on Instagram or Twitter.

Your number one source for the latest news and info about cell phone, smartphone, and mobile technology.. Read more about sim card not detected in any phone and let us know what you think.

Frequently Asked Questions

What do I do if my SIM card is not working?

If your SIM card is not working, you can contact your carrier to see if they have any suggestions.

Why is my Samsung s9 not reading my SIM card?

Your SIM card is not compatible with your phone.

Why wont my phone read my SIM card?

This is a common issue with many phones. You can try to reset your phone by holding the power button and volume down button for 10 seconds.

This article broadly covered the following related topics:

  • phone says no sim card android
  • no sim card detected android fix
  • phone says no sim card when there is one
  • phone can’t detect sim card
  • how to fix sim card not detected
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