Crosscall TREKKER-S1: Unrecognized SIM card

You have just bought an Crosscall TREKKER-S1 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the Crosscall TREKKER-S1 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Crosscall TREKKER-S1 directly back. In truth, there are several tips to fix this issue. We will for that reason observe in this content, what are the stuff to do and confirm to ensure the SIM card is recognized on your Crosscall TREKKER-S1.unrecognized-sim-card-Crosscall-TREKKER-S1

What to do when ever the SIM card is not recognized on my Crosscall TREKKER-S1

In the event that the SIM card is not recognized on your Crosscall TREKKER-S1, below is a list of stuff which could help you discover the source of the issue, observe repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Crosscall TREKKER-S1 is to clean it up. In truth, it might 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 Crosscall TREKKER-S1

Oftentimes the issue might come from the location of the SIM card. In truth, it often occurs that little metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Crosscall TREKKER-S1 from reading the SIM card. To fix this issue, you just have to thicken the SIM a little by gluing one 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. When it is not recognized on other devices, you can actually modify the SIM card.

Try another SIM card on your Crosscall TREKKER-S1

In the event that the two previous steps do not give anything, it is important to test another SIM card to find out in cases where the issue originates from the card. In truth, in cases where other SIM card work on the Crosscall TREKKER-S1, it is because the issue originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.

Check that your Crosscall TREKKER-S1 is not Simlocker

When you have tried several SIM cards on the Crosscall TREKKER-S1 and non-e are recognized, the cellphone may perhaps be Simlocker. This means that the Crosscall TREKKER-S1 will recognize simply 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 internet which could do that.

Check that the problem does not come from the ROM installed on the Crosscall TREKKER-S1

This part mainly concerns the people who root the Crosscall TREKKER-S1 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 issue is quite common after installing fresh ROMs. We highly recommend that you reinstall an original ROM and re-test it.

In the event that nothing works

In the event that all the above solutions do not work, we advise you to bring your Crosscall TREKKER-S1 and the SIM card back to one of your operator’s shops.