You have just acquired an Huawei Mate 7 and when you turn it on, it displays the following error text message: SIM card not recognized. At times the Huawei Mate 7 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Huawei Mate 7 directly back. Certainly, there are a lot of tricks to fix this issue. We will therefore see in this article, what are the things to do and check to ensure the SIM card is recognized on your Huawei Mate 7.
How to proceed when the SIM card is not recognized on my Huawei Mate 7
In cases where the SIM card is not recognized on your Huawei Mate 7, below is a list of things that may help you identify the source of the issue, see repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Huawei Mate 7 is to wash it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the mobile. 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 7
At times the issue might sourced from the tracking of the SIM card. In truth, it often happens that tiny 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 7 from reading the SIM card. To fix this issue, you just 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 smartphone
To find out if the issue originates from the SIM card, you can test it on a different phone and you will have your answer. When it is not recognized on other devices, you can change the SIM card.
Try another SIM card on your Huawei Mate 7
In cases where the two previous steps do not give anything, it truly is necessary to test a different SIM card to find out in cases where the issue originates from the card. Certainly, in cases where other SIM card work on the Huawei Mate 7, it truly is because the issue originates from the card. Otherwise, it truly is at the level of the smartphone that we will have to look.
Verify that your Huawei Mate 7 is not Simlocker
In case you have tried a lot of SIM cards on the Huawei Mate 7 and non-e are recognized, the smartphone could possibly be Simlocker. It indicates that the Huawei Mate 7 will recognize simply the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the net that may do that.
Check that the problem does not sourced from the ROM installed on the Huawei Mate 7
This part mainly concerns the people who root the Huawei Mate 7 to install a ROM that is not original. In cases where this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after setting up fresh ROMs. We highly recommend that you reinstall an original ROM and re-test it.
In cases where nothing works
In cases where all the above solutions do not work, we recommend you to bring your Huawei Mate 7 and the SIM card back to one of your operator’s shops.
