You have just acquired an Xiaomi Redmi 3S and when you turn it on, it displays the following error message: SIM card not recognized. Oftentimes the Xiaomi Redmi 3S does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Xiaomi Redmi 3S directly back. In fact, there are many methods to solve this problem. We will consequently find out in this article, what are the stuff to do and check in order that the SIM card is recognized on your Xiaomi Redmi 3S.
How to proceed when the SIM card is not recognized on my Xiaomi Redmi 3S
In cases where the SIM card is not recognized on your Xiaomi Redmi 3S, 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 Xiaomi Redmi 3S is to wash it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the telephone. To wash 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 3S
Oftentimes the problem may possibly sourced from the location of the SIM card. Actually, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Xiaomi Redmi 3S from reading the SIM card. To solve 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 mobile phone
To find out if the problem originates from the SIM card, you can actually test it on a different phone and you will have your answer. When it is not recognized on other devices, you can actually modify the SIM card.
Try another SIM card on your Xiaomi Redmi 3S
In cases where the two previous steps do not give anything, it can be required to test a different SIM card to find out in the event that the problem originates from the card. In fact, in the event that other SIM card function on the Xiaomi Redmi 3S, it can be because the problem originates from the card. Otherwise, it can be at the level of the mobile phone that we will have to look.
Verify that your Xiaomi Redmi 3S is not Simlocker
If you have tried many SIM cards on the Xiaomi Redmi 3S and none are recognized, the mobile phone could be Simlocker. This implies that the Xiaomi Redmi 3S will recognize only 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 sourced from the ROM installed on the Xiaomi Redmi 3S
This part mainly concerns the people who root the Xiaomi Redmi 3S to install a ROM that is not initial. In cases where this is actually what you have carried out, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We advise that you reinstall an initial ROM and re-test it.
In cases where nothing works
In cases where all the above solutions do not work, we recommend you to bring your Xiaomi Redmi 3S and the SIM card back to 1 of your operator’s shops.
