ZTE Axon 9 Pro: Unrecognized SIM card

You have just acquired an ZTE Axon 9 Pro and when you turn it on, it displays the following error text message: SIM card not recognized. From time to time the ZTE Axon 9 Pro does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the ZTE Axon 9 Pro directly back. Certainly, there are several tricks to fix this issue. We will consequently see in this article, what are the stuff to do and confirm so that the SIM card is recognized on your ZTE Axon 9 Pro.unrecognized-sim-card-zte-axon-9-pro

What to do when the SIM card is not recognized on my ZTE Axon 9 Pro

In cases where the SIM card is not recognized on your ZTE Axon 9 Pro, below is a list of stuff which could 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 ZTE Axon 9 Pro is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 ZTE Axon 9 Pro

From time to time the issue may originate from the location of the SIM card. In truth, it often occurs that small 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 ZTE Axon 9 Pro from reading the SIM card. To fix this issue, 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 a different smartphone

To find out if the issue originates from the SIM card, you’re able to test it on a different phone and you will have your answer. If it is not recognized on other devices, you’re able to change the SIM card.

Try another SIM card on your ZTE Axon 9 Pro

In cases where the two previous steps do not give anything, it is actually necessary to test a different SIM card to find out whenever the issue originates from the card. Certainly, whenever other SIM card function on the ZTE Axon 9 Pro, it is actually because the issue originates from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.

Verify that your ZTE Axon 9 Pro is not Simlocker

If you have tried several SIM cards on the ZTE Axon 9 Pro and non-e are recognized, the smartphone may perhaps be Simlocker. This implies that the ZTE Axon 9 Pro will recognize just the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the internet which could do that.

Check that the problem does not originate from the ROM installed on the ZTE Axon 9 Pro

This part mainly concerns the people who root the ZTE Axon 9 Pro to install a ROM that is not original. In cases where this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after installing new 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 recommend you to bring your ZTE Axon 9 Pro and the SIM card back to one of your operator’s shops.