Since I updated phone to 8.1, why does my battery die very fast?

[Windows Central Question]

since I updated phone to 8.1 battery dies very fast

My battery life is not as good as it was before the update to 8.1 on my icon.

 

[Darthbobcat]

Re: since I updated phone to 8.1 battery dies very fast

That's a know issue with developer preview on the Icon unfortunately. The firmware with the actual denim update early next year should address it.