You have just purchased an HTC Desire 820 and when you turn it on, it displays the following error text message: SIM card not recognized. Oftentimes the HTC Desire 820 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the HTC Desire 820 directly back. Certainly, there are a lot of techniques to solve this problem. We will consequently see in this tuto, what are the stuff to do and check so that the SIM card is recognized on your HTC Desire 820.
How to proceed when ever the SIM card is not recognized on my HTC Desire 820
If the SIM card is not recognized on your HTC Desire 820, below is a list of stuff that could help you identify the source of the problem, see repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your HTC Desire 820 is to wash it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 HTC Desire 820
Oftentimes the problem may possibly be caused by 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 little bit relaxed. When this is the case, this prevents the HTC Desire 820 from reading the SIM card. To solve this problem, you simply need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another phone
To find out if the problem originates from the SIM card, you can test it on another phone and you will have your answer. In case it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your HTC Desire 820
If the two previous steps do not give anything, it’s necessary to test another SIM card to find out whenever the problem originates from the card. Certainly, whenever other SIM card work on the HTC Desire 820, it’s because the problem originates from the card. Otherwise, it’s at the level of the phone that we will have to look.
Check that your HTC Desire 820 is not Simlocker
If you have tried a lot of SIM cards on the HTC Desire 820 and none are recognized, the phone may be Simlocker. This implies that the HTC Desire 820 will recognize only 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 could do that.
Check that the problem doesn’t be caused by the ROM installed on the HTC Desire 820
This part mainly concerns the people who root the HTC Desire 820 to install a ROM that is not initial. If this is actually what you have carried out, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We suggest that you reinstall an initial ROM and re-test it.
If nothing functions
If all the above solutions do not work, we recommend you to bring your HTC Desire 820 and the SIM card back to 1 of your operator’s shops.
