You have just acquired an Nokia Lumia 820 and when you turn it on, it displays the following error text: SIM card not recognized. At times the Nokia Lumia 820 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Nokia Lumia 820 directly back. Certainly, there are several methods to solve this issue. We will therefore see in this tuto, what are the things to do and check to ensure the SIM card is recognized on your Nokia Lumia 820.
What to do when ever the SIM card is not recognized on my Nokia Lumia 820
In cases where the SIM card is not recognized on your Nokia Lumia 820, below is a list of things that will help you discover the source of the issue, see repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Nokia Lumia 820 is to wash it up. In truth, it may 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 820
At times the issue may sourced 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 bit relaxed. When this is the case, this prevents the Nokia Lumia 820 from reading the SIM card. To solve this issue, you simply need to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on a different telephone
To find out if the issue originates from the SIM card, you may test it on a different 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 Nokia Lumia 820
In cases where the two previous steps do not give anything, it is actually important to test a different SIM card to find out in the event that the issue originates from the card. Certainly, in the event that other SIM card work on the Nokia Lumia 820, it is actually because the issue originates from the card. Otherwise, it is actually at the level of the telephone that we will have to look.
Check that your Nokia Lumia 820 is not Simlocker
In case you have tried several SIM cards on the Nokia Lumia 820 and none are recognized, the telephone could be Simlocker. It indicates that the Nokia Lumia 820 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 web that will do that.
Check that the problem will not sourced from the ROM installed on the Nokia Lumia 820
This part mainly concerns the people who root the Nokia Lumia 820 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 issue is quite common after setting up fresh ROMs. We recommend 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 Nokia Lumia 820 and the SIM card back to one of your operator’s shops.
