You have just bought an Huawei Ascend Sx and when you turn it on, it displays the following error text message: SIM card not recognized. From time to time the Huawei Ascend Sx does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Huawei Ascend Sx directly back. Certainly, there are many techniques to solve this problem. We will consequently find out in this content, what are the things to do and check so that the SIM card is recognized on your Huawei Ascend Sx.
How to proceed when the SIM card is not recognized on my Huawei Ascend Sx
In cases where the SIM card is not recognized on your Huawei Ascend Sx, below is a list of things which could help you identify the source of the problem, find out repairing the problem.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Huawei Ascend Sx is to clean it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the 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 Ascend Sx
From time to time the problem might originate from the tracking 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 little bit relaxed. When this is the case, this prevents the Huawei Ascend Sx from reading the SIM card. To solve 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. In case it is not recognized on other devices, you may change the SIM card.
Try another SIM card on your Huawei Ascend Sx
In cases where the two previous steps do not give anything, it is required to test a different SIM card to find out if perhaps the problem originates from the card. Certainly, if perhaps other SIM card function on the Huawei Ascend Sx, it is because the problem originates from the card. Otherwise, it is at the level of the telephone that we will have to look.
Check that your Huawei Ascend Sx is not Simlocker
If you have tried many SIM cards on the Huawei Ascend Sx and none are recognized, the telephone may be Simlocker. This implies that the Huawei Ascend Sx will recognize just the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the internet which could do that.
Check that the problem does not originate from the ROM installed on the Huawei Ascend Sx
This part mainly concerns the people who root the Huawei Ascend Sx to install a ROM that is not initial. In cases where this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after installing fresh ROMs. We suggest that you reinstall an initial ROM and re-test it.
In cases where nothing functions
In cases where all the above solutions do not work, we advise you to bring your Huawei Ascend Sx and the SIM card back to one of your operator’s shops.
