You have just bought an HTC One A9 and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the HTC One A9 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the HTC One A9 directly back. Certainly, there are many tricks to fix this problem. We will consequently find out in this tuto, what are the stuff to do and confirm to ensure that the SIM card is recognized on your HTC One A9.
How to proceed when the SIM card is not recognized on my HTC One A9
If the SIM card is not recognized on your HTC One A9, below is a list of stuff which could help you discover the source of the problem, find out repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your HTC One A9 is to wash it up. In fact, it may 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 One A9
Sometimes the problem may come from the tracking of the SIM card. In fact, 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 HTC One A9 from reading the SIM card. To fix this problem, you just 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 smartphone
To find out if the problem comes 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 One A9
If the two previous steps do not give anything, it’s required to test another SIM card to find out in cases where the problem comes from the card. Certainly, in cases where other SIM card work on the HTC One A9, it’s because the problem comes from the card. Otherwise, it’s at the level of the smartphone that we will have to look.
Check that your HTC One A9 is not Simlocker
In case you have tried many SIM cards on the HTC One A9 and non-e are recognized, the smartphone could be Simlocker. This means that the HTC One A9 will recognize only the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the internet which could do that.
Check that the problem doesn’t come from the ROM installed on the HTC One A9
This part mainly concerns the people who root the HTC One A9 to install a ROM that is not original. If this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We suggest that you reinstall an original ROM and re-test it.
If nothing works
If all the above solutions do not work, we advise you to bring your HTC One A9 and the SIM card back to 1 of your operator’s shops.
