How can I un-hang my phone?

[WPCentral Question]

i need help urgently

i have lumia 720 ..and its windows 8.1 ..it has hanged from past 3 hours ..and i unable to resolve this problem .....??? i have also removed my sim nd memory card .....!!!

 

[jayblazer]

Re: i need help urgently

did you try a power button + volume down reset?

 

[jayblazer]

Re: i need help urgently

also this is an option
FAQ - How can I recover/reset/restore my phone software? - Microsoft - USA