You have just purchased an Blackview A20 Pro and when you turn it on, it displays the following error text: SIM card not recognized. Sometimes the Blackview A20 Pro does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Blackview A20 Pro directly back. Indeed, there are many methods to fix this issue. We will consequently discover in this tuto, what are the things to do and confirm to ensure the SIM card is recognized on your Blackview A20 Pro.
What to do when the SIM card is not recognized on my Blackview A20 Pro
If the SIM card is not recognized on your Blackview A20 Pro, below is a list of things which could help you identify the source of the issue, discover repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Blackview A20 Pro is to clean it up. In fact, it may 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 location of the SIM card on your Blackview A20 Pro
Sometimes the issue may originate from the location of the SIM card. In fact, it often happens 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 Blackview A20 Pro from reading the SIM card. To fix this issue, you just 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 issue originates from the SIM card, you can test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your Blackview A20 Pro
If the two previous steps do not give anything, it’s necessary to test a different SIM card to find out whenever the issue originates from the card. Indeed, whenever other SIM card work on the Blackview A20 Pro, it’s because the issue originates from the card. Otherwise, it’s at the level of the telephone that we will have to look.
Check that your Blackview A20 Pro is not Simlocker
In case you have tried many SIM cards on the Blackview A20 Pro and non-e are recognized, the telephone could possibly be Simlocker. This means that the Blackview A20 Pro 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 provide on the internet which could do that.
Check that the problem doesn’t originate from the ROM installed on the Blackview A20 Pro
This part mainly concerns the people who root the Blackview A20 Pro to install a ROM that is not initial. If this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We highly recommend that you reinstall an initial ROM and re-test it.
If nothing works
If all the above solutions do not work, we recommend you to bring your Blackview A20 Pro and the SIM card back to one of your operator’s shops.