Samsung Galaxy Z Fold3: Unrecognized SIM card

You have just bought an Samsung Galaxy Z Fold3 and when you turn it on, it displays the following error message: SIM card not recognized. Occasionally the Samsung Galaxy Z Fold3 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Samsung Galaxy Z Fold3 directly back. Certainly, there are many tips to fix this problem. We will therefore find out in this tuto, what are the things to do and check in order that the SIM card is recognized on your Samsung Galaxy Z Fold3.unrecognized-sim-card-samsung-galaxy-z-fold3

How to proceed when ever the SIM card is not recognized on my Samsung Galaxy Z Fold3

In cases where the SIM card is not recognized on your Samsung Galaxy Z Fold3, below is a list of things that could help you determine the source of the problem, find out repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Samsung Galaxy Z Fold3 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. To wash 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 Z Fold3

Occasionally the problem may be caused by the tracking of the SIM card. In truth, it often happens that little 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 Z Fold3 from reading the SIM card. To fix this problem, 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 mobile phone

To find out if the problem comes from the SIM card, you can test it on another phone and you will have your answer. In case it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your Samsung Galaxy Z Fold3

In cases where the two previous steps do not give anything, it can be required to test another SIM card to find out whenever the problem comes from the card. Certainly, whenever other SIM card function on the Samsung Galaxy Z Fold3, it can be because the problem comes from the card. Otherwise, it can be at the level of the mobile phone that we will have to look.

Check that your Samsung Galaxy Z Fold3 is not Simlocker

In case you have tried many SIM cards on the Samsung Galaxy Z Fold3 and non-e are recognized, the mobile phone may perhaps be Simlocker. It indicates that the Samsung Galaxy Z Fold3 will recognize only the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the internet that could do that.

Check that the problem doesn’t be caused by the ROM installed on the Samsung Galaxy Z Fold3

This part mainly concerns the people who root the Samsung Galaxy Z Fold3 to install a ROM that is not initial. In cases where this is actually what you have done, 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.

In cases where nothing functions

In cases where all the above solutions do not work, we recommend you to bring your Samsung Galaxy Z Fold3 and the SIM card back to one of your operator’s shops.