My Lumia 720 has hanged, how can I get the phone normal again?

[Windows Central Question]

my phone lumia 720 is hanged so,how can i get the phone normel

the screen is cracked and when i tried emergency calling (no sim) it suddenly become hanged

 

[Chintan Gohel]

Re: my phone lumia 720 is hanged so,how can i get the phone normel

the screen is cracked and when i tried emergency calling (no sim) it suddenly become hanged

try a restart: long press the volume down and power button until the phone vibrates and restarts