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You have just bought an HTC U12 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the HTC U12 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the HTC U12 directly back. Indeed, there are several methods to solve this trouble. We will consequently find out in this article, what are the stuff to do and check in order that the SIM card is recognized on your HTC U12.unrecognized-sim-card-HTC U12

How to proceed when ever the SIM card is not recognized on my HTC U12

If the SIM card is not recognized on your HTC U12, below is a list of stuff that can help you discover the source of the trouble, find out repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your HTC U12 is to clean it up. In truth, it may possibly happen that dirt partially prevents the contact between the SIM card and the mobile phone. To wash 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 U12

Oftentimes the trouble may possibly originate from the location 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 HTC U12 from reading the SIM card. To solve 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 phone

To find out if the trouble comes from the SIM card, you can actually test it on another phone and you will have your answer. When it is not recognized on other devices, you can actually modify the SIM card.

Try another SIM card on your HTC U12

If the two previous steps do not give anything, it can be important to test another SIM card to find out if the trouble comes from the card. Indeed, if other SIM card work on the HTC U12, it can be because the trouble comes from the card. Otherwise, it can be at the level of the phone that we will have to look.

Verify that your HTC U12 is not Simlocker

In case you have tried several SIM cards on the HTC U12 and non-e are recognized, the phone could possibly be Simlocker. This means that the HTC U12 will recognize just the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the net that can do that.

Check that the problem will not originate from the ROM installed on the HTC U12

This part mainly concerns the people who root the HTC U12 to install a ROM that is not initial. If this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We suggest 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 HTC U12 and the SIM card back to 1 of your operator’s shops.