ZenFone Zoom: Unrecognized SIM card

You have just bought an ZenFone Zoom and when you turn it on, it displays the following error text: SIM card not recognized. Sometimes the ZenFone Zoom does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the ZenFone Zoom directly back. Indeed, there are a lot of tips to solve this issue. We will therefore find out in this tuto, what are the stuff to do and check in order that the SIM card is recognized on your ZenFone Zoom.unrecognized-sim-card-ZenFone-Zoom

What to do when the SIM card is not recognized on my ZenFone Zoom

In cases where the SIM card is not recognized on your ZenFone Zoom, below is a list of stuff that can 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 ZenFone Zoom is to clean it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the mobile phone. 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 ZenFone Zoom

Sometimes the issue may come from the tracking of the SIM card. Actually, it often happens that little 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 ZenFone Zoom from reading the SIM card. To solve this issue, you just simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on a different cellphone

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. In case it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your ZenFone Zoom

In cases where the two previous steps do not give anything, it is necessary to test a different SIM card to find out in the event that the issue originates from the card. Indeed, in the event that other SIM card function on the ZenFone Zoom, it is because the issue originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.

Verify that your ZenFone Zoom is not Simlocker

In case you have tried a lot of SIM cards on the ZenFone Zoom and none are recognized, the cellphone may perhaps be Simlocker. This means that the ZenFone Zoom 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 provide on the internet that can do that.

Check that the problem does not come from the ROM installed on the ZenFone Zoom

This part mainly concerns the people who root the ZenFone Zoom to install a ROM that is not original. In cases where this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We advise that you reinstall an original 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 ZenFone Zoom and the SIM card back to one of your operator’s shops.