I am unable to switch on my phone

[vamsi_1177]

Yesterday my phone got upadated and after that update it was not switching on a blue windows symbol appears and stops there.What should i do now??

 

[Withheld]

Windows Device Recovery Tool
https://support.microsoft.com/en-us/help/12379/windows-10-mobile-device-recovery-tool-faq

*You should back it photo's etc. with a PC before doing this and you can restore after the fresh install.