When I use my phone a little longer time. He starts heating up around the camera. After that they start streaking across the screen until I do a hard reset. And then after that I have to leave it switched off mobile phone to cool and then it can be reused. But when I'm in some places colder wants a cell phone to function normally at all times. It has a new battery. Because it's the same thing with the old. I have the original rom on it. It is the custome rom, but returned to the original. And it's always the same story ... Please help.