You have just acquired an Samsung Galaxy A31 and when you turn it on, it displays the following error message: SIM card not recognized. Sometimes the Samsung Galaxy A31 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Samsung Galaxy A31 directly back. In fact, there are a lot of tricks to fix this issue. We will consequently observe in this tuto, what are the things to do and confirm in order that the SIM card is recognized on your Samsung Galaxy A31.
What to do when the SIM card is not recognized on my Samsung Galaxy A31
In cases where the SIM card is not recognized on your Samsung Galaxy A31, below is a list of things which could help you identify the source of the issue, observe repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Samsung Galaxy A31 is to clean it up. In truth, 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 location of the SIM card on your Samsung Galaxy A31
Sometimes the issue might come from the location of the SIM card. In truth, it often happens that tiny 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 A31 from reading the SIM card. To fix this issue, you just simply have 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 issue comes from the SIM card, you’re able to test it on another phone and you will have your answer. In case it is not recognized on other devices, you’re able to change the SIM card.
Try another SIM card on your Samsung Galaxy A31
In cases where the two previous steps do not give anything, it can be necessary to test another SIM card to find out whenever the issue comes from the card. In fact, whenever other SIM card function on the Samsung Galaxy A31, it can be because the issue comes from the card. Otherwise, it can be at the level of the telephone that we will have to look.
Check that your Samsung Galaxy A31 is not Simlocker
If you have tried a lot of SIM cards on the Samsung Galaxy A31 and none are recognized, the telephone could be Simlocker. This means that the Samsung Galaxy A31 will recognize only the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the internet which could do that.
Check that the problem doesn’t come from the ROM installed on the Samsung Galaxy A31
This part mainly concerns the people who root the Samsung Galaxy A31 to install a ROM that is not original. In cases where this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We advise that you reinstall an original ROM and re-test it.
In cases where nothing works
In cases where all the above solutions do not work, we recommend you to bring your Samsung Galaxy A31 and the SIM card back to one of your operator’s shops.
