You can try to disassemble the phone and check if the battery is connected well with the phone. I have the same problem as well. I tried to disemble the device and find that the battery is connected. Is there any solution? it's only 3 months of using I was happy with the device till it fall down .....
Hello, I have a problem with my BV7000 Pro. I have purchase it on April 2017 and was satisfid with it until yesterday it fall from my daughter hands and goes into sudden death mode with not power and no charging at all. I tried everything but the phone is dead like it does not have any power at all ...