Asus: Unrecognized SIM card

You have just acquired an Asus and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the Asus does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Asus directly back. Certainly, there are several tricks to solve this problem. We will for that reason see in this tuto, what are the things to do and confirm so that the SIM card is recognized on your Asus.unrecognized-sim-card-Asus

How to proceed when the SIM card is not recognized on my Asus

In cases where the SIM card is not recognized on your Asus, below is a list of things that will help you determine the source of the problem, see repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Asus is to wash it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the telephone. 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 Asus

Occasionally the problem might be caused by the location 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 little relaxed. When this is the case, this prevents the Asus from reading the SIM card. To solve this problem, 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 mobile phone

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

Try another SIM card on your Asus

In cases where the two previous steps do not give anything, it can be required to test another SIM card to find out in cases where the problem comes from the card. Certainly, in cases where other SIM card work on the Asus, it can be because the problem comes from the card. Otherwise, it can be at the level of the mobile phone that we will have to look.

Check that your Asus is not Simlocker

If you have tried several SIM cards on the Asus and non-e are recognized, the mobile phone could be Simlocker. It indicates that the Asus will recognize just the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the internet that will do that.

Check that the problem will not be caused by the ROM installed on the Asus

This part mainly concerns the people who root the Asus to install a ROM that is not initial. In cases where this is actually what you have done, 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 Asus and the SIM card back to one of your operator’s shops.