Samsung Galaxy Z Flip4: Unrecognized SIM card

You have just bought an Samsung Galaxy Z Flip4 and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Samsung Galaxy Z Flip4 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Samsung Galaxy Z Flip4 directly back. Indeed, there are several tricks to solve this trouble. We will for that reason observe in this article, what are the stuff to do and check so that the SIM card is recognized on your Samsung Galaxy Z Flip4.unrecognized-sim-card-samsung-galaxy-z-flip4

How to proceed when the SIM card is not recognized on my Samsung Galaxy Z Flip4

If the SIM card is not recognized on your Samsung Galaxy Z Flip4, below is a list of stuff which could help you identify the source of the trouble, observe repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Samsung Galaxy Z Flip4 is to clean it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 Z Flip4

Sometimes the trouble might originate from the tracking of the SIM card. In fact, 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 Flip4 from reading the SIM card. To solve this trouble, you just have to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on a different mobile phone

To find out if the trouble originates from the SIM card, you’re able to test it on a different phone and you will have your answer. When it is not recognized on other devices, you’re able to change the SIM card.

Try another SIM card on your Samsung Galaxy Z Flip4

If the two previous steps do not give anything, it is actually important to test a different SIM card to find out if the trouble originates from the card. Indeed, if other SIM card work on the Samsung Galaxy Z Flip4, it is actually because the trouble originates from the card. Otherwise, it is actually at the level of the mobile phone that we will have to look.

Verify that your Samsung Galaxy Z Flip4 is not Simlocker

When you have tried several SIM cards on the Samsung Galaxy Z Flip4 and non-e are recognized, the mobile phone may be Simlocker. It indicates that the Samsung Galaxy Z Flip4 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 provide on the web which could do that.

Check that the problem doesn’t originate from the ROM installed on the Samsung Galaxy Z Flip4

This part mainly concerns the people who root the Samsung Galaxy Z Flip4 to install a ROM that is not original. If this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We highly recommend that you reinstall an original ROM and re-test it.

If nothing works

If all the above solutions do not work, we recommend you to bring your Samsung Galaxy Z Flip4 and the SIM card back to one of your operator’s shops.