Nokia 800 Tough: Unrecognized SIM card

You have just purchased an Nokia 800 Tough and when you turn it on, it displays the following error message: SIM card not recognized. Sometimes the Nokia 800 Tough does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Nokia 800 Tough directly back. Indeed, there are several techniques to fix this trouble. We will therefore observe in this content, what are the stuff to do and confirm to ensure the SIM card is recognized on your Nokia 800 Tough.unrecognized-sim-card-Nokia-800-Tough

How to proceed when ever the SIM card is not recognized on my Nokia 800 Tough

If the SIM card is not recognized on your Nokia 800 Tough, below is a list of stuff that will help you identify 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 Nokia 800 Tough is to clean it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the 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 Nokia 800 Tough

Sometimes the trouble may sourced from the tracking of the SIM card. Actually, it often occurs that little 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 Nokia 800 Tough from reading the SIM card. To fix 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 telephone

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 Nokia 800 Tough

If the two previous steps do not give anything, it’s necessary to test another SIM card to find out whenever the trouble comes from the card. Indeed, whenever other SIM card work on the Nokia 800 Tough, it’s because the trouble comes from the card. Otherwise, it’s at the level of the telephone that we will have to look.

Confirm that your Nokia 800 Tough is not Simlocker

If you have tried several SIM cards on the Nokia 800 Tough and non-e are recognized, the telephone may perhaps be Simlocker. It indicates that the Nokia 800 Tough will recognize simply 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 will do that.

Check that the problem doesn’t sourced from the ROM installed on the Nokia 800 Tough

This part mainly concerns the people who root the Nokia 800 Tough to install a ROM that is not initial. If this is actually what you have completed, be aware that the unrecognized SIM card trouble is quite common after installing new ROMs. We suggest that you reinstall an initial ROM and re-test it.

If nothing works

If all the above solutions do not work, we recommend you to bring your Nokia 800 Tough and the SIM card back to 1 of your operator’s shops.