You have just purchased an LG K4 and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the LG K4 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the LG K4 directly back. In truth, there are many tips to solve this problem. We will consequently find out in this article, what are the things to do and check to ensure the SIM card is recognized on your LG K4.
What to do when the SIM card is not recognized on my LG K4
If the SIM card is not recognized on your LG K4, below is a list of things which could help you identify the source of the problem, find out repairing the problem.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your LG K4 is to clean it up. Actually, it may possibly 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 LG K4
Occasionally the problem may possibly result from the tracking of the SIM card. Actually, it often happens that tiny metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the LG K4 from reading the SIM card. To solve this problem, you just need 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 may test it on another phone and you will have your answer. When it is not recognized on other devices, you may change the SIM card.
Try another SIM card on your LG K4
If the two previous steps do not give anything, it is actually necessary to test another SIM card to find out whenever the problem comes from the card. In truth, whenever other SIM card work on the LG K4, it is actually because the problem comes from the card. Otherwise, it is actually at the level of the cellphone that we will have to look.
Verify that your LG K4 is not Simlocker
When you have tried many SIM cards on the LG K4 and none are recognized, the cellphone could possibly be Simlocker. This implies that the LG K4 will recognize only the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the net which could do that.
Check that the problem will not result from the ROM installed on the LG K4
This part mainly concerns the people who root the LG K4 to install a ROM that is not initial. If this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing fresh ROMs. We advise that you reinstall an initial ROM and re-test it.
If nothing functions
If all the above solutions do not work, we advise you to bring your LG K4 and the SIM card back to one of your operator’s shops.
