You have just bought an Crosscall Core-X4 and when you turn it on, it displays the following error text message: SIM card not recognized. Oftentimes the Crosscall Core-X4 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Crosscall Core-X4 directly back. Indeed, there are many tips to fix this trouble. We will therefore discover in this article, what are the things to do and confirm so that the SIM card is recognized on your Crosscall Core-X4.
What to do when the SIM card is not recognized on my Crosscall Core-X4
In the event that the SIM card is not recognized on your Crosscall Core-X4, below is a list of things that can help you determine the source of the trouble, discover repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Crosscall Core-X4 is to clean it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 Crosscall Core-X4
Oftentimes the trouble might result from the location of the SIM card. In truth, it often happens that little 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 Crosscall Core-X4 from reading the SIM card. To fix this trouble, you just simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on a different cellphone
To find out if the trouble 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 Crosscall Core-X4
In the event that the two previous steps do not give anything, it’s important to test a different SIM card to find out if perhaps the trouble comes from the card. Indeed, if perhaps other SIM card function on the Crosscall Core-X4, it’s because the trouble comes from the card. Otherwise, it’s at the level of the cellphone that we will have to look.
Check that your Crosscall Core-X4 is not Simlocker
In case you have tried many SIM cards on the Crosscall Core-X4 and non-e are recognized, the cellphone might be Simlocker. This implies that the Crosscall Core-X4 will recognize only the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the web that can do that.
Check that the problem doesn’t result from the ROM installed on the Crosscall Core-X4
This part mainly concerns the people who root the Crosscall Core-X4 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 trouble is quite common after setting up new ROMs. We recommend that you reinstall an original ROM and re-test it.
In the event that nothing functions
In the event that all the above solutions do not work, we advise you to bring your Crosscall Core-X4 and the SIM card back to one of your operator’s shops.
