Nokia 2.3: Unrecognized SIM card

You have just acquired an Nokia 2.3 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Nokia 2.3 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Nokia 2.3 directly back. In fact, there are many methods to solve this issue. We will consequently see in this tuto, what are the stuff to do and confirm so that the SIM card is recognized on your Nokia 2.3.unrecognized-sim-card-Nokia-2.3

How to proceed when ever the SIM card is not recognized on my Nokia 2.3

In cases where the SIM card is not recognized on your Nokia 2.3, below is a list of stuff that can help you determine the source of the issue, see repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Nokia 2.3 is to clean it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the mobile phone. To clean it, pass a small dab of cloth over it and check if it is not damaged.

Check the location of the SIM card on your Nokia 2.3

At times the issue might originate from the location of the SIM card. Actually, it often occurs that tiny metal plugs that normally have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Nokia 2.3 from reading the SIM card. To solve this issue, you just have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on a different mobile phone

To find out if the issue originates from the SIM card, you can actually test it on a different phone and you will have your answer. If it is not recognized on other devices, you can actually change the SIM card.

Try another SIM card on your Nokia 2.3

In cases where the two previous steps do not give anything, it truly is important to test a different SIM card to find out if the issue originates from the card. In fact, if other SIM card work on the Nokia 2.3, it truly is because the issue originates from the card. Otherwise, it truly is at the level of the mobile phone that we will have to look.

Check that your Nokia 2.3 is not Simlocker

If you have tried many SIM cards on the Nokia 2.3 and none are recognized, the mobile phone may be Simlocker. This implies that the Nokia 2.3 will recognize just the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the net that can do that.

Check that the problem will not originate from the ROM installed on the Nokia 2.3

This part mainly concerns the people who root the Nokia 2.3 to install a ROM that is not initial. In cases where this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We advise that you reinstall an initial ROM and re-test it.

In cases where nothing works

In cases where all the above solutions do not work, we advise you to bring your Nokia 2.3 and the SIM card back to 1 of your operator’s shops.