I read the post you linked me and many others to get a better idea of ​​what happened. I would exclude that the problem is due to the power button because I can do the reset procedure (I can not finish it because then the phone is turned off, so I would rule out that it is a software problem, becaus...

I have the same problem too. You can use the hands-free phone (speakerphone) to make or receive calls. However, solve everything if you blow with compressed air inside the hole.

Hi, I have recently bought a BV8000 pro and I have found the following problems: 1) The first time I used the phone in the water (in swimingpool), the headphone icon appears even if they are not connected. I solved by blowing with the compressed air in the input hole of the headphones, but the probl...