You have just acquired an Samsung Galaxy A51 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Samsung Galaxy A51 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Samsung Galaxy A51 directly back. Certainly, there are several methods to solve this trouble. We will for that reason observe in this article, what are the things to do and verify so that the SIM card is recognized on your Samsung Galaxy A51.
How to proceed when the SIM card is not recognized on my Samsung Galaxy A51
In the event that the SIM card is not recognized on your Samsung Galaxy A51, below is a list of things that may help you determine the source of the trouble, observe repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Samsung Galaxy A51 is to clean it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the phone. 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 A51
At times the trouble might come from the tracking of the SIM card. Actually, 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 A51 from reading the SIM card. To solve this trouble, you 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 phone
To find out if the trouble originates from the SIM card, you may test it on another phone and you will have your answer. If it is not recognized on other devices, you may modify the SIM card.
Try another SIM card on your Samsung Galaxy A51
In the event that the two previous steps do not give anything, it is necessary to test another SIM card to find out in cases where the trouble originates from the card. Certainly, in cases where other SIM card function on the Samsung Galaxy A51, it is because the trouble originates from the card. Otherwise, it is at the level of the phone that we will have to look.
Check that your Samsung Galaxy A51 is not Simlocker
When you have tried several SIM cards on the Samsung Galaxy A51 and none are recognized, the phone might be Simlocker. This means that the Samsung Galaxy A51 will recognize simply the SIM card of a certain 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 doesn’t come from the ROM installed on the Samsung Galaxy A51
This part mainly concerns the people who root the Samsung Galaxy A51 to install a ROM that is not original. In the event that this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after installing new ROMs. We suggest that you reinstall an original ROM and re-test it.
In the event that nothing functions
In the event that all the above solutions do not work, we recommend you to bring your Samsung Galaxy A51 and the SIM card back to one of your operator’s shops.
