HTC Desire 12: Unrecognized SIM card
You have just bought an HTC Desire 12 and when you turn it on, it displays the following error message: SIM card not recognized. Occasionally the HTC Desire 12 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the HTC Desire 12 directly back. In truth, there are several methods to solve this problem. We will for that reason see in this tuto, what are the stuff to do and verify so that the SIM card is recognized on your HTC Desire 12.
What to do when the SIM card is not recognized on my HTC Desire 12
If perhaps the SIM card is not recognized on your HTC Desire 12, below is a list of stuff that will help you discover 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 12 is to wash it up. In truth, 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 tracking of the SIM card on your HTC Desire 12
Occasionally the problem might come from the tracking of the SIM card. In truth, it often happens that tiny 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 HTC Desire 12 from reading the SIM card. To solve this problem, 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 smartphone
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 12
If perhaps the two previous steps do not give anything, it is important to test another SIM card to find out in cases where the problem originates from the card. In truth, in cases where other SIM card function on the HTC Desire 12, it is because the problem originates from the card. Otherwise, it is at the level of the smartphone that we will have to look.
Check that your HTC Desire 12 is not Simlocker
When you have tried several SIM cards on the HTC Desire 12 and none are recognized, the smartphone could be Simlocker. This means that the HTC Desire 12 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 offer on the net that will do that.
Check that the problem will not come from the ROM installed on the HTC Desire 12
This part mainly concerns the people who root the HTC Desire 12 to install a ROM that is not initial. If perhaps this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We recommend that you reinstall an initial ROM and re-test it.
If perhaps nothing works
If perhaps all the above solutions do not work, we advise you to bring your HTC Desire 12 and the SIM card back to one of your operator’s shops.