HUAWEI Mate 30 Pro: Unrecognized SIM card

You have just acquired an HUAWEI Mate 30 Pro and when you turn it on, it displays the following error text: SIM card not recognized. From time to time the HUAWEI Mate 30 Pro does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the HUAWEI Mate 30 Pro directly back. Indeed, there are several tips to solve this issue. We will for that reason observe in this tuto, what are the stuff to do and check to ensure that the SIM card is recognized on your HUAWEI Mate 30 Pro.unrecognized-sim-card-huawei-mate-30-pro

How to proceed when the SIM card is not recognized on my HUAWEI Mate 30 Pro

Whenever the SIM card is not recognized on your HUAWEI Mate 30 Pro, below is a list of stuff that can help you discover the source of the issue, observe repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your HUAWEI Mate 30 Pro is to clean it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. To wash 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 HUAWEI Mate 30 Pro

From time to time the issue may sourced 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 little bit relaxed. When this is the case, this prevents the HUAWEI Mate 30 Pro from reading the SIM card. To solve this issue, you simply need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on another smartphone

To find out if the issue originates 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 HUAWEI Mate 30 Pro

Whenever the two previous steps do not give anything, it can be necessary to test another SIM card to find out in the event that the issue originates from the card. Indeed, in the event that other SIM card work on the HUAWEI Mate 30 Pro, it can be because the issue originates from the card. Otherwise, it can be at the level of the smartphone that we will have to look.

Confirm that your HUAWEI Mate 30 Pro is not Simlocker

When you have tried several SIM cards on the HUAWEI Mate 30 Pro and non-e are recognized, the smartphone could be Simlocker. This implies that the HUAWEI Mate 30 Pro will recognize only the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the web that can do that.

Check that the problem does not sourced from the ROM installed on the HUAWEI Mate 30 Pro

This part mainly concerns the people who root the HUAWEI Mate 30 Pro to install a ROM that is not original. Whenever this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after installing new ROMs. We advise that you reinstall an original ROM and re-test it.

Whenever nothing functions

Whenever all the above solutions do not work, we recommend you to bring your HUAWEI Mate 30 Pro and the SIM card back to 1 of your operator’s shops.