Xiaomi Redmi Note 9T: Unrecognized SIM card

You have just purchased an Xiaomi Redmi Note 9T and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Xiaomi Redmi Note 9T does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Xiaomi Redmi Note 9T directly back. In fact, there are a lot of methods to fix this problem. We will consequently find out in this content, what are the stuff to do and confirm so that the SIM card is recognized on your Xiaomi Redmi Note 9T.unrecognized-sim-card-xiaomi-redmi-note-9T

How to proceed when ever the SIM card is not recognized on my Xiaomi Redmi Note 9T

In cases where the SIM card is not recognized on your Xiaomi Redmi Note 9T, below is a list of stuff that will help you identify 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 Xiaomi Redmi Note 9T is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 Xiaomi Redmi Note 9T

Sometimes the problem may be caused by the tracking of the SIM card. In truth, it often happens that small metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Xiaomi Redmi Note 9T from reading the SIM card. To fix 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 a different smartphone

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

Try another SIM card on your Xiaomi Redmi Note 9T

In cases where the two previous steps do not give anything, it truly is necessary to test a different SIM card to find out if the problem originates from the card. In fact, if other SIM card function on the Xiaomi Redmi Note 9T, it truly is because the problem originates from the card. Otherwise, it truly is at the level of the smartphone that we will have to look.

Verify that your Xiaomi Redmi Note 9T is not Simlocker

When you have tried a lot of SIM cards on the Xiaomi Redmi Note 9T and non-e are recognized, the smartphone may be Simlocker. This implies that the Xiaomi Redmi Note 9T will recognize only 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 internet that will do that.

Check that the problem doesn’t be caused by the ROM installed on the Xiaomi Redmi Note 9T

This part mainly concerns the people who root the Xiaomi Redmi Note 9T to install a ROM that is not original. In cases where this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We highly recommend 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 Xiaomi Redmi Note 9T and the SIM card back to 1 of your operator’s shops.