Why doesn't my Lumia 720 power on?

[Windows Central Question]

my lumia 720 does not power on

i tried to update my nokia lumia 720,when the update was ready it requested to restart my phone so i did it, my phone powered of and i can not power it on again. i tried the soft and hard reset but it is still not powering on. it vibrates sometimes but the screen remains to be black

 

[abhishek singh21]

Re: my lumia 720 does not power on

i tried to update my nokia lumia 720,when the update was ready it requested to restart my phone so i did it, my phone powered of and i can not power it on again. i tried the soft and hard reset but it is still not powering on. it vibrates sometimes but the screen remains to be black

maybe you wen tout of battery, try to charge and check if device turns on