You have just bought an Nokia Lumia 620 and when you turn it on, it displays the following error text: SIM card not recognized. At times the Nokia Lumia 620 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Nokia Lumia 620 directly back. Certainly, there are a lot of tips to solve this problem. We will consequently see in this content, what are the things to do and check in order that the SIM card is recognized on your Nokia Lumia 620.
How to proceed when ever the SIM card is not recognized on my Nokia Lumia 620
If the SIM card is not recognized on your Nokia Lumia 620, 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 Nokia Lumia 620 is to wash it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the cellphone. To wash 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 Nokia Lumia 620
At times the problem might sourced from the location 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 bit relaxed. When this is the case, this prevents the Nokia Lumia 620 from reading the SIM card. To solve this problem, you just need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another smartphone
To find out if the problem comes from the SIM card, you may test it on another phone and you will have your answer. If it is not recognized on other devices, you may modify the SIM card.
Try another SIM card on your Nokia Lumia 620
If the two previous steps do not give anything, it is important to test another SIM card to find out if the problem comes from the card. Certainly, if other SIM card work on the Nokia Lumia 620, it is because the problem comes from the card. Otherwise, it is at the level of the smartphone that we will have to look.
Verify that your Nokia Lumia 620 is not Simlocker
If you have tried a lot of SIM cards on the Nokia Lumia 620 and none are recognized, the smartphone might be Simlocker. This means that the Nokia Lumia 620 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 offer on the internet that can do that.
Check that the problem will not sourced from the ROM installed on the Nokia Lumia 620
This part mainly concerns the people who root the Nokia Lumia 620 to install a ROM that is not original. If this is actually what you have carried out, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We recommend that you reinstall an original ROM and re-test it.
If nothing functions
If all the above solutions do not work, we recommend you to bring your Nokia Lumia 620 and the SIM card back to 1 of your operator’s shops.
