Need help with my Note 5

I have a problem with my Samsung note 5 when i woke up a few days ago it would not turn on so i put it on charge and not it is going to the logo page that's it tile today it showed a Warning A custom OS Screen i then tried to hold all the buttons down ( home.power,volume,buttons) that did not work it then showed a Maintenance boot screen i can not move the button down to change to a different chose pick on that screen then it showed a installing updates but i never allowed it to update i tried to put it on charge and it was not charging but it pops up saying that it is at 0 percent please help me i tried everything. is there any way to fix this.