Caterpillar CAT S30: Unrecognized SIM card

You have just bought an Caterpillar CAT S30 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Caterpillar CAT S30 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Caterpillar CAT S30 directly back. In truth, there are many tips to fix this trouble. We will consequently observe in this tuto, what are the things to do and confirm so that the SIM card is recognized on your Caterpillar CAT S30.unrecognized-sim-card-Caterpillar-CAT-S30

How to proceed when the SIM card is not recognized on my Caterpillar CAT S30

In the event that the SIM card is not recognized on your Caterpillar CAT S30, below is a list of things that can help you discover the source of the trouble, observe repairing the trouble.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Caterpillar CAT S30 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the telephone. 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 Caterpillar CAT S30

At times the trouble may come from the tracking of the SIM card. In truth, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Caterpillar CAT S30 from reading the SIM card. To fix this trouble, you simply need to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another smartphone

To find out if the trouble 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 change the SIM card.

Try another SIM card on your Caterpillar CAT S30

In the event that the two previous steps do not give anything, it can be necessary to test another SIM card to find out in cases where the trouble originates from the card. In truth, in cases where other SIM card work on the Caterpillar CAT S30, it can be because the trouble originates from the card. Otherwise, it can be at the level of the smartphone that we will have to look.

Confirm that your Caterpillar CAT S30 is not Simlocker

If you have tried many SIM cards on the Caterpillar CAT S30 and non-e are recognized, the smartphone may perhaps be Simlocker. This means that the Caterpillar CAT S30 will recognize just the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the internet that can do that.

Check that the problem does not come from the ROM installed on the Caterpillar CAT S30

This part mainly concerns the people who root the Caterpillar CAT S30 to install a ROM that is not original. In the event that 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 original ROM and re-test it.

In the event that nothing functions

In the event that all the above solutions do not work, we recommend you to bring your Caterpillar CAT S30 and the SIM card back to one of your operator’s shops.