Samsung Galaxy A42: Unrecognized SIM card

You have just acquired an Samsung Galaxy A42 and when you turn it on, it displays the following error text: SIM card not recognized. From time to time the Samsung Galaxy A42 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Samsung Galaxy A42 directly back. Indeed, there are a lot of tips to solve this problem. We will therefore observe in this tuto, what are the things to do and verify to ensure that the SIM card is recognized on your Samsung Galaxy A42.unrecognized-sim-card-samsung-Galaxy-a42

What to do when ever the SIM card is not recognized on my Samsung Galaxy A42

If perhaps the SIM card is not recognized on your Samsung Galaxy A42, below is a list of things that may help you determine 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 A42 is to clean it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the mobile phone. To wash 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 Samsung Galaxy A42

From time to time the problem may originate from the location of the SIM card. In fact, it often occurs that small 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 Samsung Galaxy A42 from reading the SIM card. To solve this problem, you just need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on a different cellphone

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

Try another SIM card on your Samsung Galaxy A42

If perhaps the two previous steps do not give anything, it’s necessary to test a different SIM card to find out if perhaps the problem originates from the card. Indeed, if perhaps other SIM card function on the Samsung Galaxy A42, it’s because the problem originates from the card. Otherwise, it’s at the level of the cellphone that we will have to look.

Confirm that your Samsung Galaxy A42 is not Simlocker

In case you have tried a lot of SIM cards on the Samsung Galaxy A42 and none are recognized, the cellphone might be Simlocker. This means that the Samsung Galaxy A42 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 net that may do that.

Check that the problem does not originate from the ROM installed on the Samsung Galaxy A42

This part mainly concerns the people who root the Samsung Galaxy A42 to install a ROM that is not initial. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing fresh ROMs. We advise that you reinstall an initial ROM and re-test it.

If perhaps nothing functions

If perhaps all the above solutions do not work, we recommend you to bring your Samsung Galaxy A42 and the SIM card back to 1 of your operator’s shops.