Acer Liquid M330: Unrecognized SIM card

You have just purchased an Acer Liquid M330 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Acer Liquid M330 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Acer Liquid M330 directly back. In fact, there are a lot of tricks to solve this issue. We will consequently find out in this tuto, what are the things to do and verify to ensure that the SIM card is recognized on your Acer Liquid M330.unrecognized-sim-card-acer-liquid-m330

What to do when ever the SIM card is not recognized on my Acer Liquid M330

If perhaps the SIM card is not recognized on your Acer Liquid M330, 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 Acer Liquid M330 is to wash it up. In fact, it might 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 location of the SIM card on your Acer Liquid M330

At times the issue might result from the location of the SIM card. In fact, it often happens that little metal plugs that most of the time have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Acer Liquid M330 from reading the SIM card. To solve this issue, you 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 phone

To find out if the issue comes from the SIM card, you may test it on a different 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 Acer Liquid M330

If perhaps the two previous steps do not give anything, it can be required to test a different SIM card to find out if the issue comes from the card. In fact, if other SIM card work on the Acer Liquid M330, it can be because the issue comes from the card. Otherwise, it can be at the level of the phone that we will have to look.

Confirm that your Acer Liquid M330 is not Simlocker

When you have tried a lot of SIM cards on the Acer Liquid M330 and none are recognized, the phone may perhaps be Simlocker. This means that the Acer Liquid M330 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 provide on the web that may do that.

Check that the problem doesn’t result from the ROM installed on the Acer Liquid M330

This part mainly concerns the people who root the Acer Liquid M330 to install a ROM that is not initial. If perhaps this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after installing new ROMs. We advise that you reinstall an initial ROM and re-test it.

If perhaps nothing works

If perhaps all the above solutions do not work, we advise you to bring your Acer Liquid M330 and the SIM card back to one of your operator’s shops.