You have just purchased an Samsung Galaxy A90 and when you turn it on, it displays the following error text: SIM card not recognized. From time to time the Samsung Galaxy A90 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Samsung Galaxy A90 directly back. Indeed, there are several methods to solve this problem. We will for that reason see in this tuto, what are the things to do and confirm in order that the SIM card is recognized on your Samsung Galaxy A90.
What to do when ever the SIM card is not recognized on my Samsung Galaxy A90
If perhaps the SIM card is not recognized on your Samsung Galaxy A90, below is a list of things that will help you discover the source of the problem, see repairing the problem.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Samsung Galaxy A90 is to clean it up. In fact, it may possibly 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 A90
From time to time the problem may possibly result from the location of the SIM card. In fact, it often happens that tiny metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Samsung Galaxy A90 from reading the SIM card. To solve this problem, you just simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another cellphone
To find out if the problem originates 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 A90
If perhaps the two previous steps do not give anything, it is important to test another SIM card to find out if perhaps the problem originates from the card. Indeed, if perhaps other SIM card work on the Samsung Galaxy A90, it is because the problem originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.
Check that your Samsung Galaxy A90 is not Simlocker
When you have tried several SIM cards on the Samsung Galaxy A90 and none are recognized, the cellphone could possibly be Simlocker. This means that the Samsung Galaxy A90 will recognize simply 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 net that will do that.
Check that the problem does not result from the ROM installed on the Samsung Galaxy A90
This part mainly concerns the people who root the Samsung Galaxy A90 to install a ROM that is not initial. If perhaps this is actually what you have carried out, be aware that the unrecognized SIM card problem is quite common after setting up new 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 A90 and the SIM card back to 1 of your operator’s shops.
