[executive]

Just tested.

> Power cycle device.

'Apple Verification. Enter the password for "<email>" in Settings.'

> Tap 'Not Now'

'Apple Verification. Enter the password for "<email>" in Settings.'

> Tap 'Not Now'

'Apple Verification. Enter the password for "<email>" in Settings.'

> Tap 'Not Now'

'Apple Verification. Enter the password for "<email>" in Settings.'

> Tap 'Not Now'

[Karunamon]

What happens when you actually enter it? Sounds like your iCloud password was changed.