Why is my phone not starting up?

[AC Question]

I've done a scheduled software upgrade over Wi- Fi. Once it was done it said it will oato restart, since then the phone is stuck on the start up screen. It's a samsung galaxy S6 edge.

 

[B. Diddy]

Welcome to Android Central! Can you boot into Recovery? If so, try wiping the cache: https://support.t-mobile.com/docs/DOC-21095