You have just bought an ZUK Z1 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the ZUK Z1 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the ZUK Z1 directly back. In truth, there are many methods to solve this problem. We will consequently discover in this article, what are the stuff to do and confirm to ensure that the SIM card is recognized on your ZUK Z1.
What to do when the SIM card is not recognized on my ZUK Z1
In the event that the SIM card is not recognized on your ZUK Z1, below is a list of stuff that will help you identify the source of the problem, discover repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your ZUK Z1 is to wash it up. Actually, 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 ZUK Z1
Oftentimes the problem might be caused by the tracking of the SIM card. Actually, it often occurs 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 ZUK Z1 from reading the SIM card. To solve 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 smartphone
To find out if the problem originates from the SIM card, you may test it on another 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 ZUK Z1
In the event that the two previous steps do not give anything, it is actually necessary to test another SIM card to find out if perhaps the problem originates from the card. In truth, if perhaps other SIM card work on the ZUK Z1, it is actually because the problem originates from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.
Check that your ZUK Z1 is not Simlocker
When you have tried many SIM cards on the ZUK Z1 and none are recognized, the smartphone could possibly be Simlocker. It indicates that the ZUK Z1 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 provide on the internet that will do that.
Check that the problem will not be caused by the ROM installed on the ZUK Z1
This part mainly concerns the people who root the ZUK Z1 to install a ROM that is not original. In the event that this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We highly recommend that you reinstall an original ROM and re-test it.
In the event that nothing works
In the event that all the above solutions do not work, we recommend you to bring your ZUK Z1 and the SIM card back to one of your operator’s shops.
