HTC Desire 620: Unrecognized SIM card

You have just bought an HTC Desire 620 and when you turn it on, it displays the following error text message: SIM card not recognized. Occasionally the HTC Desire 620 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the HTC Desire 620 directly back. In truth, there are a lot of techniques to fix this problem. We will consequently observe in this article, what are the things to do and verify so that the SIM card is recognized on your HTC Desire 620.unrecognized-sim-card-HTC-Desire-620

How to proceed when the SIM card is not recognized on my HTC Desire 620

In cases where the SIM card is not recognized on your HTC Desire 620, below is a list of things that may help you determine the source of the problem, observe repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your HTC Desire 620 is to clean it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the telephone. To clean 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 620

Occasionally the problem may result from the tracking of the SIM card. In truth, it often happens that little metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the HTC Desire 620 from reading the SIM card. To fix this problem, you just need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on another telephone

To find out if the problem comes from the SIM card, you’re able to test it on another phone and you will have your answer. If it is not recognized on other devices, you’re able to modify the SIM card.

Try another SIM card on your HTC Desire 620

In cases where the two previous steps do not give anything, it is required to test another SIM card to find out if the problem comes from the card. In truth, if other SIM card work on the HTC Desire 620, it is because the problem comes from the card. Otherwise, it is at the level of the telephone that we will have to look.

Check that your HTC Desire 620 is not Simlocker

When you have tried a lot of SIM cards on the HTC Desire 620 and none are recognized, the telephone may perhaps be Simlocker. This implies that the HTC Desire 620 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 internet that may do that.

Check that the problem will not result from the ROM installed on the HTC Desire 620

This part mainly concerns the people who root the HTC Desire 620 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 problem is quite common after setting up fresh ROMs. We advise 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 advise you to bring your HTC Desire 620 and the SIM card back to 1 of your operator’s shops.