Alcatel 1S: Unrecognized SIM card

You have just purchased an Alcatel 1S and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Alcatel 1S does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Alcatel 1S directly back. In fact, there are several techniques to solve this issue. We will for that reason find out in this article, what are the things to do and check so that the SIM card is recognized on your Alcatel 1S.unrecognized-sim-card-Alcatel-1S

How to proceed when the SIM card is not recognized on my Alcatel 1S

If the SIM card is not recognized on your Alcatel 1S, below is a list of things that may help you identify the source of the issue, find out repairing the issue.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Alcatel 1S is to wash it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the mobile. 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 Alcatel 1S

Sometimes the issue may be caused by the tracking of the SIM card. In fact, it often occurs that tiny 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 Alcatel 1S from reading the SIM card. To solve this issue, you just have to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another cellphone

To find out if the issue comes from the SIM card, you’re able to test it on another 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 Alcatel 1S

If the two previous steps do not give anything, it’s necessary to test another SIM card to find out whenever the issue comes from the card. In fact, whenever other SIM card function on the Alcatel 1S, it’s because the issue comes from the card. Otherwise, it’s at the level of the cellphone that we will have to look.

Verify that your Alcatel 1S is not Simlocker

If you have tried several SIM cards on the Alcatel 1S and none are recognized, the cellphone may perhaps be Simlocker. This implies that the Alcatel 1S will recognize just 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 may do that.

Check that the problem does not be caused by the ROM installed on the Alcatel 1S

This part mainly concerns the people who root the Alcatel 1S to install a ROM that is not original. If this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after installing new ROMs. We highly recommend that you reinstall an original ROM and re-test it.

If nothing functions

If all the above solutions do not work, we advise you to bring your Alcatel 1S and the SIM card back to one of your operator’s shops.