Xiaomi Redmi Note 7: Unrecognized SIM card

You have just acquired an Xiaomi Redmi Note 7 and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the Xiaomi Redmi Note 7 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Xiaomi Redmi Note 7 directly back. In fact, there are many tricks to solve this problem. We will therefore find out in this article, what are the things to do and confirm to ensure the SIM card is recognized on your Xiaomi Redmi Note 7.unrecognized-sim-card-Xiaomi-Redmi-Note-7

How to proceed when ever the SIM card is not recognized on my Xiaomi Redmi Note 7

Whenever the SIM card is not recognized on your Xiaomi Redmi Note 7, below is a list of things which could help you determine the source of the problem, find out repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Xiaomi Redmi Note 7 is to clean it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the mobile phone. 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 Xiaomi Redmi Note 7

Occasionally the problem may be caused by the tracking of the SIM card. Actually, 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 7 from reading the SIM card. To solve this problem, you just 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 cellphone

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

Try another SIM card on your Xiaomi Redmi Note 7

Whenever the two previous steps do not give anything, it is required to test a different SIM card to find out whenever the problem originates from the card. In fact, whenever other SIM card function on the Xiaomi Redmi Note 7, it is because the problem originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.

Verify that your Xiaomi Redmi Note 7 is not Simlocker

When you have tried many SIM cards on the Xiaomi Redmi Note 7 and none are recognized, the cellphone could be Simlocker. This means that the Xiaomi Redmi Note 7 will recognize simply the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the internet which could do that.

Check that the problem does not be caused by the ROM installed on the Xiaomi Redmi Note 7

This part mainly concerns the people who root the Xiaomi Redmi Note 7 to install a ROM that is not original. Whenever this is actually what you have carried out, 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.

Whenever nothing works

Whenever all the above solutions do not work, we advise you to bring your Xiaomi Redmi Note 7 and the SIM card back to 1 of your operator’s shops.