LG L90: Unrecognized SIM card

You have just bought an LG L90 and when you turn it on, it displays the following error text message: SIM card not recognized. From time to time the LG L90 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the LG L90 directly back. In truth, there are many tricks to solve this problem. We will therefore observe in this article, what are the things to do and verify to ensure the SIM card is recognized on your LG L90.unrecognized-sim-card-LG-L90

What to do when the SIM card is not recognized on my LG L90

If perhaps the SIM card is not recognized on your LG L90, below is a list of things which could 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 L90 is to clean it up. Actually, it might 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 location of the SIM card on your LG L90

From time to time the problem might be caused by the location of the SIM card. Actually, it often occurs 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 LG L90 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 another mobile phone

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

Try another SIM card on your LG L90

If perhaps the two previous steps do not give anything, it is actually necessary to test another SIM card to find out in cases where the problem originates from the card. In truth, in cases where other SIM card work on the LG L90, it is actually because the problem originates from the card. Otherwise, it is actually at the level of the mobile phone that we will have to look.

Verify that your LG L90 is not Simlocker

When you have tried many SIM cards on the LG L90 and none are recognized, the mobile phone may perhaps be Simlocker. This implies that the LG L90 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 offer on the net which could do that.

Check that the problem will not be caused by the ROM installed on the LG L90

This part mainly concerns the people who root the LG L90 to install a ROM that is not initial. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We highly recommend that you reinstall an initial ROM and re-test it.

If perhaps nothing works

If perhaps all the above solutions do not work, we advise you to bring your LG L90 and the SIM card back to one of your operator’s shops.