Crosscall TREKKER X4: Unrecognized SIM card

You have just bought an Crosscall TREKKER X4 and when you turn it on, it displays the following error text: SIM card not recognized. At times the Crosscall TREKKER X4 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Crosscall TREKKER X4 directly back. In truth, there are a lot of techniques to solve this trouble. We will therefore see in this tuto, what are the stuff to do and confirm so that the SIM card is recognized on your Crosscall TREKKER X4.unrecognized-sim-card-crosscall-trekker-x4

What to do when the SIM card is not recognized on my Crosscall TREKKER X4

If perhaps the SIM card is not recognized on your Crosscall TREKKER X4, below is a list of stuff that can help you identify the source of the trouble, see repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Crosscall TREKKER X4 is to wash it up. In fact, it might 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 TREKKER X4

At times the trouble might result from the tracking of the SIM card. In fact, it often occurs that tiny 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 TREKKER X4 from reading the SIM card. To solve this trouble, you just have 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 originates from the SIM card, you can actually test it on a different 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 Crosscall TREKKER X4

If perhaps 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 originates from the card. In truth, if perhaps other SIM card function on the Crosscall TREKKER X4, it truly is because the trouble originates from the card. Otherwise, it truly is at the level of the cellphone that we will have to look.

Confirm that your Crosscall TREKKER X4 is not Simlocker

In case you have tried a lot of SIM cards on the Crosscall TREKKER X4 and none are recognized, the cellphone may perhaps be Simlocker. It indicates that the Crosscall TREKKER X4 will recognize simply 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 web that can do that.

Check that the problem does not result from the ROM installed on the Crosscall TREKKER X4

This part mainly concerns the people who root the Crosscall TREKKER X4 to install a ROM that is not initial. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We highly recommend that you reinstall an initial ROM and re-test it.

If perhaps nothing functions

If perhaps all the above solutions do not work, we recommend you to bring your Crosscall TREKKER X4 and the SIM card back to 1 of your operator’s shops.