How do I reboot my ASUS Zenfon 2?

[AC Question]

how to reboot ASUS zenfon 2

i was watching you tube and screen froze and nothing work, pls i need to know all posible ways to activate this device, or any kind phone number to call in USA to talk with somebody from costumer service. Thank you .

 

[asus_usa]

Re: how to reboot ASUS zenfon 2

Please provide more details with the current status. Does the unit power on? Please try booting into Fastboot screen: How to do hardware reset on your phone? 
If you would like further assistance please feel free to contact me direct at cl-frank@asus.com

Sincerely,
ASUS_USA