LG V20: Unrecognized SIM card

You have just purchased an LG V20 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the LG V20 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the LG V20 directly back. In fact, there are many tricks to solve this problem. We will consequently observe in this tuto, what are the things to do and check in order that the SIM card is recognized on your LG V20.unrecognized-sim-card-LG-V20

How to proceed when the SIM card is not recognized on my LG V20

In cases where the SIM card is not recognized on your LG V20, below is a list of things that can help you identify the source of the problem, observe repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your LG V20 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 LG V20

Oftentimes the problem may be caused by the tracking of the SIM card. In truth, it often happens that small 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 LG V20 from reading the SIM card. To solve 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 a different cellphone

To find out if the problem originates from the SIM card, you can test it on a different phone and you will have your answer. If it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your LG V20

In cases where the two previous steps do not give anything, it is necessary to test a different SIM card to find out in the event that the problem originates from the card. In fact, in the event that other SIM card work on the LG V20, it is because the problem originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.

Confirm that your LG V20 is not Simlocker

In case you have tried many SIM cards on the LG V20 and none are recognized, the cellphone could be Simlocker. This implies that the LG V20 will recognize simply 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 internet that can do that.

Check that the problem will not be caused by the ROM installed on the LG V20

This part mainly concerns the people who root the LG V20 to install a ROM that is not original. In cases where this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We advise that you reinstall an original ROM and re-test it.

In cases where nothing works

In cases where all the above solutions do not work, we recommend you to bring your LG V20 and the SIM card back to one of your operator’s shops.