You have just acquired an Acer Liquid Z520 and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the Acer Liquid Z520 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Acer Liquid Z520 directly back. Indeed, there are many techniques to fix this issue. We will for that reason discover in this content, what are the things to do and verify in order that the SIM card is recognized on your Acer Liquid Z520.
How to proceed when ever the SIM card is not recognized on my Acer Liquid Z520
If the SIM card is not recognized on your Acer Liquid Z520, below is a list of things that could help you determine the source of the issue, discover repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Acer Liquid Z520 is to clean it up. In fact, it may possibly 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 Z520
From time to time the issue may possibly sourced from the location of the SIM card. In fact, it often happens 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 Acer Liquid Z520 from reading the SIM card. To fix 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 a different smartphone
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. When it is not recognized on other devices, you may change the SIM card.
Try another SIM card on your Acer Liquid Z520
If the two previous steps do not give anything, it’s important to test a different SIM card to find out if the issue comes from the card. Indeed, if other SIM card function on the Acer Liquid Z520, it’s because the issue comes from the card. Otherwise, it’s at the level of the smartphone that we will have to look.
Confirm that your Acer Liquid Z520 is not Simlocker
In case you have tried many SIM cards on the Acer Liquid Z520 and none are recognized, the smartphone could possibly be Simlocker. This means that the Acer Liquid Z520 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 web that could do that.
Check that the problem does not sourced from the ROM installed on the Acer Liquid Z520
This part mainly concerns the people who root the Acer Liquid Z520 to install a ROM that is not initial. If 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 initial ROM and re-test it.
If nothing works
If all the above solutions do not work, we recommend you to bring your Acer Liquid Z520 and the SIM card back to one of your operator’s shops.
