You have just acquired an Nubia Red Magic 3S and when you turn it on, it displays the following error text: SIM card not recognized. Sometimes the Nubia Red Magic 3S does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Nubia Red Magic 3S directly back. Certainly, there are many tips to solve this issue. We will for that reason see in this tuto, what are the things to do and confirm so that the SIM card is recognized on your Nubia Red Magic 3S.
What to do when the SIM card is not recognized on my Nubia Red Magic 3S
If perhaps the SIM card is not recognized on your Nubia Red Magic 3S, below is a list of things that will help you determine the source of the issue, see repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Nubia Red Magic 3S is to clean it up. In fact, it may possibly 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 tracking of the SIM card on your Nubia Red Magic 3S
Sometimes the issue may possibly originate from the tracking 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 Nubia Red Magic 3S from reading the SIM card. To solve this issue, you just simply need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on a different mobile phone
To find out if the issue comes from the SIM card, you can actually test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can actually modify the SIM card.
Try another SIM card on your Nubia Red Magic 3S
If perhaps the two previous steps do not give anything, it’s necessary to test a different SIM card to find out whenever the issue comes from the card. Certainly, whenever other SIM card function on the Nubia Red Magic 3S, it’s because the issue comes from the card. Otherwise, it’s at the level of the mobile phone that we will have to look.
Check that your Nubia Red Magic 3S is not Simlocker
When you have tried many SIM cards on the Nubia Red Magic 3S and none are recognized, the mobile phone may be Simlocker. This implies that the Nubia Red Magic 3S 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 web that will do that.
Check that the problem will not originate from the ROM installed on the Nubia Red Magic 3S
This part mainly concerns the people who root the Nubia Red Magic 3S to install a ROM that is not original. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after setting up new ROMs. We advise that you reinstall an original ROM and re-test it.
If perhaps nothing works
If perhaps all the above solutions do not work, we recommend you to bring your Nubia Red Magic 3S and the SIM card back to 1 of your operator’s shops.
