Tried to update Apple Watch. It was taking more than 30 min. I switched off watch and tried to re-start. No luck - just apple logo on the screen. Tried to hold two buttons for 10 sec - nothing - just logo appears on the screen.
Apple Watch, iOS 9.3.1
Hi
Contact Apple Support (mail-in service may be available) or make a Genius Bar reservation with a view to having your watch serviced under warranty:
https://www.apple.com/support/watch/contact/
More information:
"If you see the Apple logo .. during startup, and your Apple Watch appears to restart or never fully starts up, contact Apple Support"
If your Apple Watch doesn't respond or won't turn on - Apple Support
Rebooting Apple watch
