You have just acquired an Nokia Lumia 900 and when you turn it on, it displays the following error text message: SIM card not recognized. Oftentimes the Nokia Lumia 900 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Nokia Lumia 900 directly back. In fact, there are many techniques to fix this trouble. We will consequently discover in this article, what are the things to do and confirm to ensure the SIM card is recognized on your Nokia Lumia 900.
What to do when the SIM card is not recognized on my Nokia Lumia 900
Whenever the SIM card is not recognized on your Nokia Lumia 900, below is a list of things that may help you discover the source of the trouble, discover repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Nokia Lumia 900 is to clean it up. In truth, it may 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 Nokia Lumia 900
Oftentimes the trouble may be caused by the tracking of the SIM card. In truth, it often happens that tiny 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 Nokia Lumia 900 from reading the SIM card. To fix this trouble, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another cellphone
To find out if the trouble comes from the SIM card, you may test it on another phone and you will have your answer. In case it is not recognized on other devices, you may change the SIM card.
Try another SIM card on your Nokia Lumia 900
Whenever the two previous steps do not give anything, it’s necessary to test another SIM card to find out whenever the trouble comes from the card. In fact, whenever other SIM card work on the Nokia Lumia 900, it’s because the trouble comes from the card. Otherwise, it’s at the level of the cellphone that we will have to look.
Confirm that your Nokia Lumia 900 is not Simlocker
In case you have tried many SIM cards on the Nokia Lumia 900 and non-e are recognized, the cellphone might be Simlocker. This implies that the Nokia Lumia 900 will recognize just the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the net that may do that.
Check that the problem will not be caused by the ROM installed on the Nokia Lumia 900
This part mainly concerns the people who root the Nokia Lumia 900 to install a ROM that is not original. Whenever this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after installing new ROMs. We advise that you reinstall an original ROM and re-test it.
Whenever nothing functions
Whenever all the above solutions do not work, we recommend you to bring your Nokia Lumia 900 and the SIM card back to 1 of your operator’s shops.
