Fairphone 3: Unrecognized SIM card

You have just acquired an Fairphone 3 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the Fairphone 3 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Fairphone 3 directly back. Indeed, there are several methods to solve this trouble. We will therefore observe in this tuto, what are the things to do and check in order that the SIM card is recognized on your Fairphone 3.unrecognized-sim-card-Fairphone-3

What to do when ever the SIM card is not recognized on my Fairphone 3

In cases where the SIM card is not recognized on your Fairphone 3, below is a list of things that will 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 Fairphone 3 is to wash it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 Fairphone 3

Oftentimes the trouble may possibly come from the location of the SIM card. Actually, it often happens that little metal plugs that normally have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Fairphone 3 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 smartphone

To find out if the trouble comes 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 change the SIM card.

Try another SIM card on your Fairphone 3

In cases where the two previous steps do not give anything, it is actually required to test another SIM card to find out in the event that the trouble comes from the card. Indeed, in the event that other SIM card work on the Fairphone 3, it is actually because the trouble comes from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.

Check that your Fairphone 3 is not Simlocker

In case you have tried several SIM cards on the Fairphone 3 and none are recognized, the smartphone may perhaps be Simlocker. This implies that the Fairphone 3 will recognize only the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the internet that will do that.

Check that the problem doesn’t come from the ROM installed on the Fairphone 3

This part mainly concerns the people who root the Fairphone 3 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 trouble is quite common after setting up 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 advise you to bring your Fairphone 3 and the SIM card back to one of your operator’s shops.