Help me please.
Model GBV4000. I can not find the firmware anywhere. 
After the update, the camera stopped working. I carried it to the workshop. There he was flash how GB4000 and now the phone is brick.
How do these models differ and where can I get software on GBV4000?
Thank you.

Hello, you can find it here:
http://bbs.blackview.hk/viewtopic.php?f=203&t=316961