You have just acquired an Crosscall Core-Z5 and when you turn it on, it displays the following error message: SIM card not recognized. Oftentimes the Crosscall Core-Z5 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Crosscall Core-Z5 directly back. In truth, there are many tips to fix this trouble. We will for that reason see in this tuto, what are the things to do and check to ensure that the SIM card is recognized on your Crosscall Core-Z5.
What to do when ever the SIM card is not recognized on my Crosscall Core-Z5
Whenever the SIM card is not recognized on your Crosscall Core-Z5, below is a list of things which could help you identify the source of the trouble, see repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Crosscall Core-Z5 is to wash it up. In truth, it may possibly happen that dirt partially prevents the contact between the SIM card and the mobile phone. To clean 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 Crosscall Core-Z5
Oftentimes the trouble may possibly come from the tracking 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 Crosscall Core-Z5 from reading the SIM card. To fix this trouble, you just 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 cellphone
To find out if the trouble comes from the SIM card, you can test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can change the SIM card.
Try another SIM card on your Crosscall Core-Z5
Whenever the two previous steps do not give anything, it truly is required to test a different SIM card to find out if perhaps the trouble comes from the card. In truth, if perhaps other SIM card function on the Crosscall Core-Z5, it truly is because the trouble comes from the card. Otherwise, it truly is at the level of the cellphone that we will have to look.
Confirm that your Crosscall Core-Z5 is not Simlocker
If you have tried many SIM cards on the Crosscall Core-Z5 and none are recognized, the cellphone could possibly be Simlocker. This means that the Crosscall Core-Z5 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 come from the ROM installed on the Crosscall Core-Z5
This part mainly concerns the people who root the Crosscall Core-Z5 to install a ROM that is not initial. Whenever this is actually what you have carried out, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We recommend that you reinstall an initial ROM and re-test it.
Whenever nothing works
Whenever all the above solutions do not work, we recommend you to bring your Crosscall Core-Z5 and the SIM card back to 1 of your operator’s shops.
