HUAWEI P40 Pro: Unrecognized SIM card

You have just bought an HUAWEI P40 Pro and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the HUAWEI P40 Pro does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the HUAWEI P40 Pro directly back. Indeed, there are many methods to fix this issue. We will therefore find out in this article, what are the stuff to do and check to ensure the SIM card is recognized on your HUAWEI P40 Pro.unrecognized-sim-card-huawei-p40-pro

How to proceed when ever the SIM card is not recognized on my HUAWEI P40 Pro

In the event that the SIM card is not recognized on your HUAWEI P40 Pro, below is a list of stuff that may help you determine the source of the issue, find out repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your HUAWEI P40 Pro is to clean it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 HUAWEI P40 Pro

Occasionally the issue may sourced from the location of the SIM card. In truth, it often occurs that small 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 HUAWEI P40 Pro from reading the SIM card. To fix this issue, you just need 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 issue comes from the SIM card, you can test it on another 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 HUAWEI P40 Pro

In the event that the two previous steps do not give anything, it is actually important to test another SIM card to find out if perhaps the issue comes from the card. Indeed, if perhaps other SIM card work on the HUAWEI P40 Pro, it is actually because the issue comes from the card. Otherwise, it is actually at the level of the telephone that we will have to look.

Verify that your HUAWEI P40 Pro is not Simlocker

When you have tried many SIM cards on the HUAWEI P40 Pro and none are recognized, the telephone could be Simlocker. This implies that the HUAWEI P40 Pro will recognize only the SIM card of a certain operator. In this case, 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 sourced from the ROM installed on the HUAWEI P40 Pro

This part mainly concerns the people who root the HUAWEI P40 Pro to install a ROM that is not original. In the event that this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after setting up new ROMs. We highly recommend that you reinstall an original ROM and re-test it.

In the event that nothing functions

In the event that all the above solutions do not work, we advise you to bring your HUAWEI P40 Pro and the SIM card back to 1 of your operator’s shops.