How to Fix iPhone Not Detecting SIM Card

My iPhone detects no SIM card recently. I actually inserted a SIM. However, my iPhone shows No SIM Card installed. I re-inserted the SIM after a few seconds but my iPhone still says no SIM Card. I am really confused. Someone please help me fix this problem.”

This question is asked by iPhone users across the world. iPhone not detecting SIM Card, a common problem troubles many Apple users. It occurs when an iPhone cannot recognize the SIM inserted in it and hence unable to connect to cellular network, make or receive phone calls, and send messages. There is no need to worry if you also see such a message on your home screen indicating an error of iPhone not detecting SIM Card, because it can be fixed by you at home.

No SIM Card Installed

7 Methods to Fix iPhone Not Detecting SIM Card

This article will help you understand the possible causes and solutions for the problem that iPhone shows no SIM Card is installed. It also highlights the points to be kept in mind if you experience such a problem of iPhone not detecting SIM Card in future.

Let's find out the ways to deal with the problem.

1 Turn on Airplane Mode and Turn It off

This is an easy and simple remedy. Visit Control Center and tap on Airplane icon. After about ten to fifteen seconds turn the mode off and see if the SIM Card is getting detected.

Turn on Airplane Mode and Turn It off


2 Clean the SIM Card Slot

The SIM Card tray slot must be kept clean and dust free at all times. The dust that gets accumulated  in the slot prevents the sensors from detecting the SIM.

Ensure this by first ejecting the SIM tray and then cleaning the slot with an unused soft bristle toothbrush or with a paper clip. Now re-seat the SIM in the tray and place them back in the slot carefully.


3 Check the SIM Tray

iPhone SIM Card tray can be ejected from the slot by using a simple paper clip. Insert the clip in the small hole on the tray and press lightly. The tray automatically pops-out. Now pull the tray out of the slot. Carefully examine that the tray is not disfigured or damaged. It must hold the SIM Card firmly. If the tray seems to be lose, i.e., it does not hold the SIM properly or does not fit in the slot exactly, contact your nearest Apple Store to fix it.

Please DO NOT use another device’s tray in your iPhone. It could damage your SIM and iPhone permanently.

Clean the SIM Card Slot


4 Test with Another SIM Card

Using a SIM Card, other than your original one, can be helpful to test if your original SIM is damaged. Just contact your Carrier’s retail store and put in a request to issue another SIM Card or just replace the old one if another SIM card can be detected.


5 Update Carrier Settings

Another simple yet effective DIY technique to verify whether or not your carrier settings are updated. Just visit “Setting”=>“General”=>“About”. Here you might get a prompt to update, do so to by tapping on “OK”. This ensure all changes made by your carrier company to enable your iPhone to connect to a network are installed in your device.

Update Carrier Settings


6 Update iOS

It is advisable to always use your iPhone with the latest iOS version. You must regularly check to download updates in Settings and install them to ensure your iPhone is secure and free from any software malfunctions that could sette the problem of iPhone not detecting SIM Card.

Refer to the picture below and follow the steps to update your iOS.

Update iOS


7 Restore iPhone to Factory Settings

If your iPhone shows no SIM Card is installed even after you have followed all the tips given above, here’s what you need to do next to solve the problem. Take a back-up of all your information and data stored on iPhone using iCloud or iTunes. Once this is done, visit “Settings” => “General” => “Reset” => "Erase All Content and Settings" to erase all data and contents from your device. This wipes off all information and settings from your iPhone and makes it as good as a new phone. 

Restore iPhone to  Factory Settings

Note

Sometimes if you restore your iPhone with the previous iTunes or iCloud backup after fixing the problem, there may be the problem again. Here we would like to introduce an efficient way to access your backup files to avoid that.

iMyFone D-Port iPhone Data Exporter

If you are now looking for options to access the data backed up to iTunes or iCloud, then you must consider using a third-party tool, iMyFone D-Port iPhone Data Exporter. It is developed by iMyFone team that has several products recommended by famous media sites like Macworld, Makeuseof, Cult of Mac and so on.

Try It FreeTry It Free

Key Features:

  • Users can export data from almost all types of iOS devices.
  • This software helps to extract 20+ types of useful data from your iPhone and iTunes/iCloud backup files.
  • Unlike iTunes and iCloud, this software even lets you preview your data before exporting it so that you can make sure that the data is what you wish to transfer.
  • iMyFone’s D-Port enables you to check and view iTunes backup without restoring it to your device and access iCloud data anywhere, anytime using Wi-Fi or other network.

Don't keep waiting, download the D-Port iPhone data exporter for a free trial and experience it for yourself.

It can be very annoying when your iPhone says no SIM Card. But now this problem can be fixed by simply following the methods explained above. They have helped many and will surely help you too. Go ahead and try them now and see if these quick and easy tricks are useful for you.