Blackview A20: Unrecognized SIM card
You have just acquired an Blackview A20 and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Blackview A20 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the Blackview A20 directly back. Certainly, there are many tips to solve this issue. We will for that reason see in this tuto, what are the stuff to do and check to ensure that the SIM card is recognized on your Blackview A20.
What to do when ever the SIM card is not recognized on my Blackview A20
If perhaps the SIM card is not recognized on your Blackview A20, below is a list of stuff that could help you identify the source of the issue, see repairing the issue.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Blackview A20 is to wash it up. Actually, it may 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 tracking of the SIM card on your Blackview A20
Sometimes the issue may come from the tracking of the SIM card. Actually, 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 Blackview A20 from reading the SIM card. To solve this issue, you simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on another cellphone
To find out if the issue originates from the SIM card, youre able to test it on another phone and you will have your answer. If it is not recognized on other devices, youre able to modify the SIM card.
Try another SIM card on your Blackview A20
If perhaps the two previous steps do not give anything, it is actually important to test another SIM card to find out if the issue originates from the card. Certainly, if other SIM card function on the Blackview A20, it is actually because the issue originates from the card. Otherwise, it is actually at the level of the cellphone that we will have to look.
Confirm that your Blackview A20 is not Simlocker
When you have tried many SIM cards on the Blackview A20 and non-e are recognized, the cellphone could possibly be Simlocker. This implies that the Blackview A20 will recognize just the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the web that could do that.
Check that the problem doesn’t come from the ROM installed on the Blackview A20
This part mainly concerns the people who root the Blackview A20 to install a ROM that is not initial. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after setting up fresh ROMs. We recommend that you reinstall an initial ROM and re-test it.
If perhaps nothing functions
If perhaps all the above solutions do not work, we advise you to bring your Blackview A20 and the SIM card back to one of your operator’s shops.