You have just acquired an Blackview BV4900 and when you turn it on, it displays the following error message: SIM card not recognized. Occasionally the Blackview BV4900 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Blackview BV4900 directly back. In fact, there are a lot of tips to solve this trouble. We will therefore observe in this content, what are the things to do and confirm in order that the SIM card is recognized on your Blackview BV4900.
How to proceed when the SIM card is not recognized on my Blackview BV4900
If perhaps the SIM card is not recognized on your Blackview BV4900, below is a list of things that could help you discover the source of the trouble, observe repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Blackview BV4900 is to clean it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the mobile. 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 Blackview BV4900
Occasionally the trouble might come from the tracking of the SIM card. Actually, it often happens that small metal plugs that normally have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Blackview BV4900 from reading the SIM card. To solve this trouble, you just have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another mobile phone
To find out if the trouble originates from the SIM card, you can actually test it on another phone and you will have your answer. In case it is not recognized on other devices, you can actually change the SIM card.
Try another SIM card on your Blackview BV4900
If perhaps the two previous steps do not give anything, it is actually necessary to test another SIM card to find out if perhaps the trouble originates from the card. In fact, if perhaps other SIM card function on the Blackview BV4900, it is actually because the trouble originates from the card. Otherwise, it is actually at the level of the mobile phone that we will have to look.
Confirm that your Blackview BV4900 is not Simlocker
In case you have tried a lot of SIM cards on the Blackview BV4900 and none are recognized, the mobile phone might be Simlocker. It indicates that the Blackview BV4900 will recognize only the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the internet that could do that.
Check that the problem does not come from the ROM installed on the Blackview BV4900
This part mainly concerns the people who root the Blackview BV4900 to install a ROM that is not initial. If perhaps this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We advise that you reinstall an initial ROM and re-test it.
If perhaps nothing works
If perhaps all the above solutions do not work, we recommend you to bring your Blackview BV4900 and the SIM card back to 1 of your operator’s shops.
