Nokia Lumia 2520 doesn't want to boot up after update - Microsoft Community

this morning got message on nokia lumia 2520 updates installed , need restart in order finish updates. sadly after device restart, couldn't boot , green light on top of front camera on , nothing else works. 

things i've tried:

• hold down power button more 15 sec - no reaction.
• hold down power , volume down - every 10 seconds light blinks
• hold down power , volume - after 10 seconds light goes off.
• hold down every button including windows button - no reaction.
• recharge battery - no reaction (previous state of battery more 50% charged)

have no more buttons play around :) suggestions? 

p.s. don't want sound paranoid postpone windows update on computers. don't want files lock down hackers many people around world past 2 days.

your 2520 surface rt

go here, select update on , follow path.

https://www.microsoft.com/surface/en-us/support/warranty-service-and-recovery/surface-wont-turn-on?os=windows-8.1-rt-update-3&=undefined

Mobile Devices / Microsoft Lumia and Nokia Lumia / Software update / 2520