ZTE Nubia Z11: Unrecognized SIM card

You have just purchased an ZTE Nubia Z11 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the ZTE Nubia Z11 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the ZTE Nubia Z11 directly back. Indeed, there are many techniques to fix this problem. We will for that reason see in this article, what are the things to do and confirm so that the SIM card is recognized on your ZTE Nubia Z11.unrecognized-sim-card-ZTE-Nubia-Z11

How to proceed when ever the SIM card is not recognized on my ZTE Nubia Z11

Whenever the SIM card is not recognized on your ZTE Nubia Z11, below is a list of things that can 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 ZTE Nubia Z11 is to wash it up. In truth, 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 location of the SIM card on your ZTE Nubia Z11

Oftentimes the problem might come from the location of the SIM card. In truth, it often occurs that small metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the ZTE Nubia Z11 from reading the SIM card. To fix this problem, you just simply need 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 can test it on another phone and you will have your answer. If it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your ZTE Nubia Z11

Whenever the two previous steps do not give anything, it is required to test another SIM card to find out if perhaps the problem comes from the card. Indeed, if perhaps other SIM card function on the ZTE Nubia Z11, it is because the problem comes from the card. Otherwise, it is at the level of the mobile phone that we will have to look.

Confirm that your ZTE Nubia Z11 is not Simlocker

When you have tried many SIM cards on the ZTE Nubia Z11 and non-e are recognized, the mobile phone may perhaps be Simlocker. This implies that the ZTE Nubia Z11 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 net that can do that.

Check that the problem does not come from the ROM installed on the ZTE Nubia Z11

This part mainly concerns the people who root the ZTE Nubia Z11 to install a ROM that is not original. Whenever this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after installing fresh ROMs. We recommend that you reinstall an original ROM and re-test it.

Whenever nothing works

Whenever all the above solutions do not work, we advise you to bring your ZTE Nubia Z11 and the SIM card back to one of your operator’s shops.