Samsung W20: Unrecognized SIM card

You have just bought an Samsung W20 and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Samsung W20 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Samsung W20 directly back. Certainly, there are several methods to solve this problem. We will consequently see in this content, what are the things to do and check to ensure that the SIM card is recognized on your Samsung W20.unrecognized-sim-card-Samsung-W20

How to proceed when ever the SIM card is not recognized on my Samsung W20

In cases where the SIM card is not recognized on your Samsung W20, below is a list of things that can help you discover the source of the problem, see repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Samsung W20 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the mobile. To clean 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 W20

Sometimes the problem may come from the location of the SIM card. In truth, it often occurs that small metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Samsung W20 from reading the SIM card. To solve this problem, you just 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 cellphone

To find out if the problem 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 change the SIM card.

Try another SIM card on your Samsung W20

In cases where the two previous steps do not give anything, it is required to test another SIM card to find out in the event that the problem comes from the card. Certainly, in the event that other SIM card function on the Samsung W20, it is because the problem comes from the card. Otherwise, it is at the level of the cellphone that we will have to look.

Check that your Samsung W20 is not Simlocker

In case you have tried several SIM cards on the Samsung W20 and none are recognized, the cellphone may be Simlocker. This implies that the Samsung W20 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 can do that.

Check that the problem doesn’t come from the ROM installed on the Samsung W20

This part mainly concerns the people who root the Samsung W20 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 problem is quite common after setting up new 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 Samsung W20 and the SIM card back to one of your operator’s shops.