You have just acquired an HUAWEI P40 Lite and when you turn it on, it displays the following error text: SIM card not recognized. At times the HUAWEI P40 Lite does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the HUAWEI P40 Lite directly back. Indeed, there are a lot of methods to solve this trouble. We will therefore see in this article, what are the things to do and verify in order that the SIM card is recognized on your HUAWEI P40 Lite.
What to do when the SIM card is not recognized on my HUAWEI P40 Lite
If perhaps the SIM card is not recognized on your HUAWEI P40 Lite, below is a list of things that may help you identify the source of the trouble, see repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your HUAWEI P40 Lite is to clean it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the mobile 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 HUAWEI P40 Lite
At times the trouble may result from the tracking of the SIM card. In fact, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the HUAWEI P40 Lite from reading the SIM card. To solve this trouble, you just simply need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on a different smartphone
To find out if the trouble comes from the SIM card, you can actually test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can actually modify the SIM card.
Try another SIM card on your HUAWEI P40 Lite
If perhaps the two previous steps do not give anything, it is actually important to test a different SIM card to find out whenever the trouble comes from the card. Indeed, whenever other SIM card work on the HUAWEI P40 Lite, it is actually because the trouble comes from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.
Verify that your HUAWEI P40 Lite is not Simlocker
In case you have tried a lot of SIM cards on the HUAWEI P40 Lite and none are recognized, the smartphone might be Simlocker. This implies that the HUAWEI P40 Lite 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 offer on the internet that may do that.
Check that the problem will not result from the ROM installed on the HUAWEI P40 Lite
This part mainly concerns the people who root the HUAWEI P40 Lite to install a ROM that is not original. If perhaps this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We recommend that you reinstall an original ROM and re-test it.
If perhaps nothing works
If perhaps all the above solutions do not work, we advise you to bring your HUAWEI P40 Lite and the SIM card back to 1 of your operator’s shops.
