You have just purchased an BQ Aquaris 4.5 and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the BQ Aquaris 4.5 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the BQ Aquaris 4.5 directly back. In fact, there are several techniques to fix this problem. We will for that reason see in this tuto, what are the things to do and check to ensure the SIM card is recognized on your BQ Aquaris 4.5.
What to do when the SIM card is not recognized on my BQ Aquaris 4.5
In cases where the SIM card is not recognized on your BQ Aquaris 4.5, below is a list of things that will help you discover the source of the problem, see repairing the problem.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your BQ Aquaris 4.5 is to wash it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the telephone. 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 BQ Aquaris 4.5
From time to time the problem might originate from the location of the SIM card. Actually, it often occurs that little metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the BQ Aquaris 4.5 from reading the SIM card. To fix this problem, 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 cellphone
To find out if the problem comes from the SIM card, you can test it on another phone and you will have your answer. When it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your BQ Aquaris 4.5
In cases where the two previous steps do not give anything, it is important to test another SIM card to find out if the problem comes from the card. In fact, if other SIM card work on the BQ Aquaris 4.5, it is because the problem comes from the card. Otherwise, it is at the level of the cellphone that we will have to look.
Check that your BQ Aquaris 4.5 is not Simlocker
If you have tried several SIM cards on the BQ Aquaris 4.5 and non-e are recognized, the cellphone may be Simlocker. This means that the BQ Aquaris 4.5 will recognize just the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the internet that will do that.
Check that the problem will not originate from the ROM installed on the BQ Aquaris 4.5
This part mainly concerns the people who root the BQ Aquaris 4.5 to install a ROM that is not original. In cases where this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We suggest that you reinstall an original 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 BQ Aquaris 4.5 and the SIM card back to 1 of your operator’s shops.
