doesnt work

I have a Da Fang Camera, so I can't configure in other regions, only I can configure in China. So I think that I have a problem for this reason. One week ago, the notifications I have from the Camera I could watch 10 seconds recorded from the notification, now when the notification appears the...

So it happend this morning. I checked my phone for time so I pressed the turn on button. The screen shined white and the it stopped. I tried to start it again and the screen was black so I tried the turn off/on button on the side again. It only showed me four button: fly mode, silent mode...