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You have just bought an Marshall and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the Marshall does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Marshall directly back. Certainly, there are many tips to fix this trouble. We will therefore see in this tuto, what are the stuff to do and check to ensure the SIM card is recognized on your Marshall.unrecognized-sim-card-Marshall

What to do when ever the SIM card is not recognized on my Marshall

Whenever the SIM card is not recognized on your Marshall, below is a list of stuff that can help you discover the source of the trouble, see repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Marshall is to wash it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the mobile. 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 Marshall

Occasionally the trouble may possibly sourced from the tracking of the SIM card. Actually, it often happens that little metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Marshall from reading the SIM card. To fix this trouble, 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 a different mobile phone

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. When it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your Marshall

Whenever the two previous steps do not give anything, it truly is important to test a different SIM card to find out in the event that the trouble comes from the card. Certainly, in the event that other SIM card function on the Marshall, it truly is because the trouble comes from the card. Otherwise, it truly is at the level of the mobile phone that we will have to look.

Verify that your Marshall is not Simlocker

In case you have tried many SIM cards on the Marshall and none are recognized, the mobile phone might be Simlocker. This implies that the Marshall 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 provide on the internet that can do that.

Check that the problem does not sourced from the ROM installed on the Marshall

This part mainly concerns the people who root the Marshall to install a ROM that is not initial. Whenever this is actually what you have carried out, 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.

Whenever nothing works

Whenever all the above solutions do not work, we advise you to bring your Marshall and the SIM card back to one of your operator’s shops.