Samsung Star 3: Unrecognized SIM card

You have just acquired an Samsung Star 3 and when you turn it on, it displays the following error text message: SIM card not recognized. From time to time the Samsung Star 3 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Samsung Star 3 directly back. Certainly, there are a lot of tricks to solve this trouble. We will consequently find out in this tuto, what are the things to do and check so that the SIM card is recognized on your Samsung Star 3.unrecognized-sim-card-Samsung-Star-3

How to proceed when the SIM card is not recognized on my Samsung Star 3

In cases where the SIM card is not recognized on your Samsung Star 3, below is a list of things that could help you identify the source of the trouble, find out repairing the trouble.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Samsung Star 3 is to clean it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the phone. 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 Star 3

From time to time the trouble may result from the tracking of the SIM card. In truth, it often occurs that small 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 Samsung Star 3 from reading the SIM card. To solve this trouble, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on a different mobile phone

To find out if the trouble comes from the SIM card, you may test it on a different phone and you will have your answer. When it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your Samsung Star 3

In cases where the two previous steps do not give anything, it is important to test a different SIM card to find out whenever the trouble comes from the card. Certainly, whenever other SIM card work on the Samsung Star 3, it is because the trouble comes from the card. Otherwise, it is at the level of the mobile phone that we will have to look.

Check that your Samsung Star 3 is not Simlocker

If you have tried a lot of SIM cards on the Samsung Star 3 and none are recognized, the mobile phone could be Simlocker. It indicates that the Samsung Star 3 will recognize just 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 could do that.

Check that the problem will not result from the ROM installed on the Samsung Star 3

This part mainly concerns the people who root the Samsung Star 3 to install a ROM that is not initial. In cases where 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.

In cases where nothing functions

In cases where all the above solutions do not work, we recommend you to bring your Samsung Star 3 and the SIM card back to 1 of your operator’s shops.