XIAOMI Redmi S2: Unrecognized SIM card

You have just acquired an XIAOMI Redmi S2 and when you turn it on, it displays the following error message: SIM card not recognized. At times the XIAOMI Redmi S2 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the XIAOMI Redmi S2 directly back. In fact, there are many tricks to solve this issue. We will therefore observe in this content, what are the things to do and check so that the SIM card is recognized on your XIAOMI Redmi S2.unrecognized-sim-card-xiaomi-redmi-s2

What to do when the SIM card is not recognized on my XIAOMI Redmi S2

In the event that the SIM card is not recognized on your XIAOMI Redmi S2, below is a list of things that could help you discover the source of the issue, observe repairing the issue.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your XIAOMI Redmi S2 is to clean it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 S2

At times the issue might come from the tracking of the SIM card. In truth, it often occurs that small metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the XIAOMI Redmi S2 from reading the SIM card. To solve this issue, 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 a different phone

To find out if the issue originates from the SIM card, you may test it on a different phone and you will have your answer. If it is not recognized on other devices, you may change the SIM card.

Try another SIM card on your XIAOMI Redmi S2

In the event that the two previous steps do not give anything, it can be necessary to test a different SIM card to find out if perhaps the issue originates from the card. In fact, if perhaps other SIM card work on the XIAOMI Redmi S2, it can be because the issue originates from the card. Otherwise, it can be at the level of the phone that we will have to look.

Verify that your XIAOMI Redmi S2 is not Simlocker

In case you have tried many SIM cards on the XIAOMI Redmi S2 and non-e are recognized, the phone could be Simlocker. It indicates that the XIAOMI Redmi S2 will recognize simply 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 could do that.

Check that the problem does not come from the ROM installed on the XIAOMI Redmi S2

This part mainly concerns the people who root the XIAOMI Redmi S2 to install a ROM that is not original. In the event that this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We recommend that you reinstall an original ROM and re-test it.

In the event that nothing functions

In the event that all the above solutions do not work, we advise you to bring your XIAOMI Redmi S2 and the SIM card back to 1 of your operator’s shops.