Acer Liquid E1 Duo: Unrecognized SIM card

You have just acquired an Acer Liquid E1 Duo and when you turn it on, it displays the following error text message: SIM card not recognized. At times the Acer Liquid E1 Duo does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Acer Liquid E1 Duo directly back. In fact, there are a lot of tricks to solve this issue. We will for that reason see in this tuto, what are the stuff to do and check to ensure the SIM card is recognized on your Acer Liquid E1 Duo.unrecognized-sim-card-Acer-Liquid-E1-Duo

What to do when ever the SIM card is not recognized on my Acer Liquid E1 Duo

In cases where the SIM card is not recognized on your Acer Liquid E1 Duo, below is a list of stuff that may help you determine the source of the issue, see repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Acer Liquid E1 Duo is to clean it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the phone. 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 Acer Liquid E1 Duo

At times the issue might result from the tracking of the SIM card. In fact, it often happens that tiny metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Acer Liquid E1 Duo from reading the SIM card. To solve this issue, 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 issue originates from the SIM card, you can actually test it on a different phone and you will have your answer. If it is not recognized on other devices, you can actually change the SIM card.

Try another SIM card on your Acer Liquid E1 Duo

In cases where the two previous steps do not give anything, it’s required to test a different SIM card to find out in the event that the issue originates from the card. In fact, in the event that other SIM card work on the Acer Liquid E1 Duo, it’s because the issue originates from the card. Otherwise, it’s at the level of the mobile phone that we will have to look.

Check that your Acer Liquid E1 Duo is not Simlocker

If you have tried a lot of SIM cards on the Acer Liquid E1 Duo and non-e are recognized, the mobile phone may be Simlocker. This means that the Acer Liquid E1 Duo 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 provide on the net that may do that.

Check that the problem will not result from the ROM installed on the Acer Liquid E1 Duo

This part mainly concerns the people who root the Acer Liquid E1 Duo to install a ROM that is not original. In cases where this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We highly recommend 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 advise you to bring your Acer Liquid E1 Duo and the SIM card back to 1 of your operator’s shops.