Why did my Nokia Lumia 925 suddenly completely stop working?

[Windows Central Question]

why did my nokia lumia 925 suddenly completely stop working?

after making a call, it initially hanged and then later went off completely. It does not show any sign of activity even if i put it to charge

 

[Chintan Gohel]

Re: why did my nokia lumia 925 suddenly completely stop working?

after making a call, it initially hanged and then later went off completely. It does not show any sign of activity even if i put it to charge

try restarting it by long pressing the power and volume down buttons simultaneously until the phone vibrates and restarts