You have just acquired an Nubia Z20 and when you turn it on, it displays the following error message: SIM card not recognized. Sometimes the Nubia Z20 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Nubia Z20 directly back. In truth, there are a lot of tricks to fix this issue. We will therefore discover in this content, what are the stuff to do and check so that the SIM card is recognized on your Nubia Z20.
How to proceed when the SIM card is not recognized on my Nubia Z20
In cases where the SIM card is not recognized on your Nubia Z20, below is a list of stuff which could help you determine the source of the issue, discover repairing the issue.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Nubia Z20 is to clean it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 Nubia Z20
Sometimes the issue may sourced from the location of the SIM card. Actually, it often occurs that small metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Nubia Z20 from reading the SIM card. To fix this issue, you just simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another cellphone
To find out if the issue originates from the SIM card, you can actually test it on another phone and you will have your answer. If it is not recognized on other devices, you can actually change the SIM card.
Try another SIM card on your Nubia Z20
In cases where the two previous steps do not give anything, it is important to test another SIM card to find out whenever the issue originates from the card. In truth, whenever other SIM card function on the Nubia Z20, it is because the issue originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.
Verify that your Nubia Z20 is not Simlocker
When you have tried a lot of SIM cards on the Nubia Z20 and none are recognized, the cellphone might be Simlocker. It indicates that the Nubia Z20 will recognize just the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the net which could do that.
Check that the problem will not sourced from the ROM installed on the Nubia Z20
This part mainly concerns the people who root the Nubia Z20 to install a ROM that is not initial. In cases where this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We recommend that you reinstall an initial ROM and re-test it.
In cases where nothing functions
In cases where all the above solutions do not work, we recommend you to bring your Nubia Z20 and the SIM card back to 1 of your operator’s shops.
