You have just bought an Caterpillar CAT S40 and when you turn it on, it displays the following error text message: SIM card not recognized. Oftentimes the Caterpillar CAT S40 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Caterpillar CAT S40 directly back. In truth, there are many tricks to solve this trouble. We will for that reason observe in this article, what are the stuff to do and confirm to ensure the SIM card is recognized on your Caterpillar CAT S40.
What to do when ever the SIM card is not recognized on my Caterpillar CAT S40
In cases where the SIM card is not recognized on your Caterpillar CAT S40, below is a list of stuff that may help you determine 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 S40 is to clean it up. In truth, it may 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 location of the SIM card on your Caterpillar CAT S40
Oftentimes the trouble may originate from the location 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 Caterpillar CAT S40 from reading the SIM card. To solve 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 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. If it is not recognized on other devices, you can change the SIM card.
Try another SIM card on your Caterpillar CAT S40
In cases where the two previous steps do not give anything, it’s necessary 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 Caterpillar CAT S40, it’s because the trouble comes from the card. Otherwise, it’s at the level of the cellphone that we will have to look.
Verify that your Caterpillar CAT S40 is not Simlocker
In case you have tried many SIM cards on the Caterpillar CAT S40 and non-e are recognized, the cellphone might be Simlocker. This implies that the Caterpillar CAT S40 will recognize just the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the web that may do that.
Check that the problem does not originate from the ROM installed on the Caterpillar CAT S40
This part mainly concerns the people who root the Caterpillar CAT S40 to install a ROM that is not initial. In cases where this is actually what you have carried out, 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 cases where nothing works
In cases where all the above solutions do not work, we recommend you to bring your Caterpillar CAT S40 and the SIM card back to one of your operator’s shops.
