Samsung Galaxy A2 Core: Unrecognized SIM card

You have just bought an Samsung Galaxy A2 Core and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the Samsung Galaxy A2 Core does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Samsung Galaxy A2 Core directly back. In truth, there are many tricks to solve this problem. We will for that reason observe in this article, what are the things to do and confirm to ensure that the SIM card is recognized on your Samsung Galaxy A2 Core.unrecognized-sim-card-Samsung-Galaxy-A2-Core

How to proceed when the SIM card is not recognized on my Samsung Galaxy A2 Core

If perhaps the SIM card is not recognized on your Samsung Galaxy A2 Core, below is a list of things that can help you identify the source of the problem, observe repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Samsung Galaxy A2 Core is to wash it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the mobile. To clean 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 Samsung Galaxy A2 Core

From time to time the problem might be caused by the tracking of the SIM card. In fact, it often happens that little metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Samsung Galaxy A2 Core from reading the SIM card. To solve this problem, you just need to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another telephone

To find out if the problem comes from the SIM card, you can test it on another phone and you will have your answer. If it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your Samsung Galaxy A2 Core

If perhaps the two previous steps do not give anything, it can be necessary to test another SIM card to find out in cases where the problem comes from the card. In truth, in cases where other SIM card work on the Samsung Galaxy A2 Core, it can be because the problem comes from the card. Otherwise, it can be at the level of the telephone that we will have to look.

Verify that your Samsung Galaxy A2 Core is not Simlocker

In case you have tried many SIM cards on the Samsung Galaxy A2 Core and none are recognized, the telephone could be Simlocker. It indicates that the Samsung Galaxy A2 Core will recognize simply 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 can do that.

Check that the problem will not be caused by the ROM installed on the Samsung Galaxy A2 Core

This part mainly concerns the people who root the Samsung Galaxy A2 Core to install a ROM that is not original. If perhaps this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after setting up fresh ROMs. We highly recommend that you reinstall an original ROM and re-test it.

If perhaps nothing functions

If perhaps all the above solutions do not work, we advise you to bring your Samsung Galaxy A2 Core and the SIM card back to one of your operator’s shops.