Xiaomi Redmi Note 11S: Unrecognized SIM card

You have just acquired an Xiaomi Redmi Note 11S and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the Xiaomi Redmi Note 11S does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Xiaomi Redmi Note 11S directly back. Certainly, there are many methods to fix this issue. We will therefore find out in this tuto, what are the stuff to do and confirm to ensure that the SIM card is recognized on your Xiaomi Redmi Note 11S.unrecognized-sim-card-xiaomi-redmi-note-11s

What to do when ever the SIM card is not recognized on my Xiaomi Redmi Note 11S

Whenever the SIM card is not recognized on your Xiaomi Redmi Note 11S, below is a list of stuff that will help you discover the source of the issue, find out repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Xiaomi Redmi Note 11S is to wash it up. In fact, it may possibly happen that dirt partially prevents the contact between the SIM card and the cellphone. To clean 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 Xiaomi Redmi Note 11S

Oftentimes the issue may possibly originate from the location of the SIM card. In fact, it often happens that little metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Xiaomi Redmi Note 11S from reading the SIM card. To fix this issue, 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 mobile phone

To find out if the issue originates from the SIM card, you may test it on another phone and you will have your answer. In case it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your Xiaomi Redmi Note 11S

Whenever the two previous steps do not give anything, it can be necessary to test another SIM card to find out if the issue originates from the card. Certainly, if other SIM card function on the Xiaomi Redmi Note 11S, it can be because the issue originates from the card. Otherwise, it can be at the level of the mobile phone that we will have to look.

Check that your Xiaomi Redmi Note 11S is not Simlocker

When you have tried many SIM cards on the Xiaomi Redmi Note 11S and non-e are recognized, the mobile phone might be Simlocker. This means that the Xiaomi Redmi Note 11S will recognize just the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the web that will do that.

Check that the problem doesn’t originate from the ROM installed on the Xiaomi Redmi Note 11S

This part mainly concerns the people who root the Xiaomi Redmi Note 11S to install a ROM that is not original. Whenever this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after installing fresh 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 recommend you to bring your Xiaomi Redmi Note 11S and the SIM card back to 1 of your operator’s shops.