Marshall London: Unrecognized SIM card

You have just acquired an Marshall London and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Marshall London does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Marshall London directly back. In truth, there are many tricks to solve this problem. We will for that reason observe in this tuto, what are the things to do and confirm so that the SIM card is recognized on your Marshall London.unrecognized-sim-card-Marshall-London

How to proceed when the SIM card is not recognized on my Marshall London

In the event that the SIM card is not recognized on your Marshall London, below is a list of things that can help you discover the source of the problem, observe repairing the problem.

Clean SIM card

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

Sometimes the problem might come from the tracking of the SIM card. In truth, it often happens 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 Marshall London from reading the SIM card. To solve this problem, you simply 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 phone

To find out if the problem comes from the SIM card, you may test it on a different phone and you will have your answer. In case it is not recognized on other devices, you may change the SIM card.

Try another SIM card on your Marshall London

In the event that the two previous steps do not give anything, it’s important to test a different SIM card to find out in the event that the problem comes from the card. In truth, in the event that other SIM card work on the Marshall London, it’s because the problem comes from the card. Otherwise, it’s at the level of the phone that we will have to look.

Confirm that your Marshall London is not Simlocker

In case you have tried many SIM cards on the Marshall London and none are recognized, the phone could possibly be Simlocker. This means that the Marshall London will recognize only 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 internet that can do that.

Check that the problem does not come from the ROM installed on the Marshall London

This part mainly concerns the people who root the Marshall London 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 problem is quite common after installing fresh ROMs. We recommend that you reinstall an original ROM and re-test it.

In the event that nothing works

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