You have just bought an HUAWEI Mate 40 Pro and when you turn it on, it displays the following error message: SIM card not recognized. Oftentimes the HUAWEI Mate 40 Pro does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the HUAWEI Mate 40 Pro directly back. Certainly, there are a lot of methods to fix this problem. We will for that reason see in this content, what are the stuff to do and verify to ensure that the SIM card is recognized on your HUAWEI Mate 40 Pro.
What to do when ever the SIM card is not recognized on my HUAWEI Mate 40 Pro
Whenever the SIM card is not recognized on your HUAWEI Mate 40 Pro, below is a list of stuff that could help you discover the source of the problem, see repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your HUAWEI Mate 40 Pro is to wash it up. In truth, it may possibly 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 location of the SIM card on your HUAWEI Mate 40 Pro
Oftentimes the problem may possibly result from the location of the SIM card. In truth, it often occurs that little metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the HUAWEI Mate 40 Pro from reading the SIM card. To fix this problem, you simply need to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on a different telephone
To find out if the problem originates from the SIM card, you may test it on a different phone and you will have your answer. If it is not recognized on other devices, you may modify the SIM card.
Try another SIM card on your HUAWEI Mate 40 Pro
Whenever the two previous steps do not give anything, it is actually required to test a different SIM card to find out whenever the problem originates from the card. Certainly, whenever other SIM card function on the HUAWEI Mate 40 Pro, it is actually because the problem originates from the card. Otherwise, it is actually at the level of the telephone that we will have to look.
Check that your HUAWEI Mate 40 Pro is not Simlocker
When you have tried a lot of SIM cards on the HUAWEI Mate 40 Pro and none are recognized, the telephone may perhaps be Simlocker. This means that the HUAWEI Mate 40 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 internet that could do that.
Check that the problem will not result from the ROM installed on the HUAWEI Mate 40 Pro
This part mainly concerns the people who root the HUAWEI Mate 40 Pro to install a ROM that is not initial. Whenever this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We advise that you reinstall an initial ROM and re-test it.
Whenever nothing works
Whenever all the above solutions do not work, we recommend you to bring your HUAWEI Mate 40 Pro and the SIM card back to one of your operator’s shops.
