Hi, i'm italian, I have a bv6000 from October, all ok until the last update, the battery lasted me 5 days, then suddenly I barely lasts two days, the usage is always the same. I also noticed that when I press the power button, the screen lights up very late. Whatsapp also gives me different problems...

Hi,i'm Italian, I have a bv6000 from October, all ok until the last update, the battery lasted me 5 days, then suddenly I barely lasts two days, the usage is always the same. I also noticed that when I press the power button, the screen lights up very late. Whatsapp also gives me different problems ...