You have just purchased an Samsung Galaxy A71 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Samsung Galaxy A71 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Samsung Galaxy A71 directly back. Certainly, there are many tricks to fix this trouble. We will consequently see in this content, what are the things to do and confirm to ensure the SIM card is recognized on your Samsung Galaxy A71.
What to do when the SIM card is not recognized on my Samsung Galaxy A71
If the SIM card is not recognized on your Samsung Galaxy A71, below is a list of things which could help you discover the source of the trouble, see repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Samsung Galaxy A71 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the telephone. 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 A71
At times the trouble may come from the location of the SIM card. In truth, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Samsung Galaxy A71 from reading the SIM card. To fix this trouble, you simply need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another mobile phone
To find out if the trouble comes from the SIM card, you can test it on another phone and you will have your answer. When it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your Samsung Galaxy A71
If the two previous steps do not give anything, it’s necessary to test another SIM card to find out whenever the trouble comes from the card. Certainly, whenever other SIM card function on the Samsung Galaxy A71, it’s because the trouble comes from the card. Otherwise, it’s at the level of the mobile phone that we will have to look.
Check that your Samsung Galaxy A71 is not Simlocker
If you have tried many SIM cards on the Samsung Galaxy A71 and none are recognized, the mobile phone could possibly be Simlocker. This implies that the Samsung Galaxy A71 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 offer on the web which could do that.
Check that the problem does not come from the ROM installed on the Samsung Galaxy A71
This part mainly concerns the people who root the Samsung Galaxy A71 to install a ROM that is not initial. If this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after installing fresh ROMs. We recommend that you reinstall an initial ROM and re-test it.
If nothing works
If all the above solutions do not work, we advise you to bring your Samsung Galaxy A71 and the SIM card back to 1 of your operator’s shops.
