Google Nexus 4: Unrecognized SIM card

You have just purchased an Google Nexus 4 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the Google Nexus 4 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Google Nexus 4 directly back. In fact, there are many tips to solve this trouble. We will therefore find out in this tuto, what are the things to do and check in order that the SIM card is recognized on your Google Nexus 4.unrecognized-sim-card-Google-Nexus-4

How to proceed when the SIM card is not recognized on my Google Nexus 4

If the SIM card is not recognized on your Google Nexus 4, below is a list of things that may help you identify the source of the trouble, find out repairing the trouble.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Google Nexus 4 is to clean it up. In fact, it may possibly happen that dirt partially prevents the contact between the SIM card and the mobile. To wash it, pass a small dab of cloth over it and check if it is not damaged.

Check the tracking of the SIM card on your Google Nexus 4

Oftentimes the trouble may possibly be caused by the tracking of the SIM card. In fact, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Google Nexus 4 from reading the SIM card. To solve this trouble, you just simply need to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on a different smartphone

To find out if the trouble comes from the SIM card, you’re able to test it on a different phone and you will have your answer. In case it is not recognized on other devices, you’re able to modify the SIM card.

Try another SIM card on your Google Nexus 4

If the two previous steps do not give anything, it can be required to test a different SIM card to find out whenever the trouble comes from the card. In fact, whenever other SIM card work on the Google Nexus 4, it can be because the trouble comes from the card. Otherwise, it can be at the level of the smartphone that we will have to look.

Verify that your Google Nexus 4 is not Simlocker

When you have tried many SIM cards on the Google Nexus 4 and none are recognized, the smartphone may be Simlocker. It indicates that the Google Nexus 4 will recognize only the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the web that may do that.

Check that the problem will not be caused by the ROM installed on the Google Nexus 4

This part mainly concerns the people who root the Google Nexus 4 to install a ROM that is not original. If this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We advise that you reinstall an original ROM and re-test it.

If nothing functions

If all the above solutions do not work, we recommend you to bring your Google Nexus 4 and the SIM card back to one of your operator’s shops.