You have just bought an Microsoft Lumia 535 and when you turn it on, it displays the following error text message: SIM card not recognized. From time to time the Microsoft Lumia 535 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Microsoft Lumia 535 directly back. In truth, there are many tricks to solve this issue. We will therefore observe in this tuto, what are the stuff to do and check so that the SIM card is recognized on your Microsoft Lumia 535.
What to do when the SIM card is not recognized on my Microsoft Lumia 535
If the SIM card is not recognized on your Microsoft Lumia 535, below is a list of stuff that can help you determine the source of the issue, observe repairing the issue.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Microsoft Lumia 535 is to clean it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the mobile phone. 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 Microsoft Lumia 535
From time to time the issue might originate from the location of the SIM card. Actually, it often happens 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 Microsoft Lumia 535 from reading the SIM card. To solve this issue, you just 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 phone
To find out if the issue comes from the SIM card, you can test it on another phone and you will have your answer. If it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your Microsoft Lumia 535
If the two previous steps do not give anything, it’s required to test another SIM card to find out if perhaps the issue comes from the card. In truth, if perhaps other SIM card function on the Microsoft Lumia 535, it’s because the issue comes from the card. Otherwise, it’s at the level of the phone that we will have to look.
Check that your Microsoft Lumia 535 is not Simlocker
If you have tried many SIM cards on the Microsoft Lumia 535 and none are recognized, the phone might be Simlocker. This implies that the Microsoft Lumia 535 will recognize simply the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the web that can do that.
Check that the problem will not originate from the ROM installed on the Microsoft Lumia 535
This part mainly concerns the people who root the Microsoft Lumia 535 to install a ROM that is not initial. If this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after setting up new ROMs. We recommend that you reinstall an initial ROM and re-test it.
If nothing works
If all the above solutions do not work, we recommend you to bring your Microsoft Lumia 535 and the SIM card back to one of your operator’s shops.
