Caterpillar CAT B30: Unrecognized SIM card

You have just acquired an Caterpillar CAT B30 and when you turn it on, it displays the following error text: SIM card not recognized. At times the Caterpillar CAT B30 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Caterpillar CAT B30 directly back. In fact, there are many tricks to solve this trouble. We will consequently observe in this article, what are the stuff to do and check to ensure the SIM card is recognized on your Caterpillar CAT B30.unrecognized-sim-card-Caterpillar-CAT-B30

What to do when ever the SIM card is not recognized on my Caterpillar CAT B30

In the event that the SIM card is not recognized on your Caterpillar CAT B30, below is a list of stuff which could help you discover the source of the trouble, observe repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Caterpillar CAT B30 is to wash 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 Caterpillar CAT B30

At times the trouble might originate from the location of the SIM card. In truth, it often happens that tiny 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 Caterpillar CAT B30 from reading the SIM card. To solve this trouble, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on another cellphone

To find out if the trouble comes from the SIM card, you’re able to test it on another phone and you will have your answer. If it is not recognized on other devices, you’re able to change the SIM card.

Try another SIM card on your Caterpillar CAT B30

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 the event that the trouble comes from the card. In fact, in the event that other SIM card work on the Caterpillar CAT B30, it can be because the trouble comes from the card. Otherwise, it can be at the level of the cellphone that we will have to look.

Check that your Caterpillar CAT B30 is not Simlocker

In case you have tried many SIM cards on the Caterpillar CAT B30 and non-e are recognized, the cellphone may be Simlocker. This implies that the Caterpillar CAT B30 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 web which could do that.

Check that the problem doesn’t originate from the ROM installed on the Caterpillar CAT B30

This part mainly concerns the people who root the Caterpillar CAT B30 to install a ROM that is not initial. In the event that this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after installing new ROMs. We highly recommend that you reinstall an initial 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 Caterpillar CAT B30 and the SIM card back to 1 of your operator’s shops.