iCloud iPhone settings problem

[budd44]

can not open settings on iPhone message incorrect user name or password
when i push on the OK button nothing happens. I can push the home button to return to screen

 

[LxHunter]

can not open settings on iPhone message incorrect user name or password
when i push on the OK button nothing happens. I can push the home button to return to screen

Same problem. I have a call scheduled with Apple in 3 hours.

 

[HazyCloud]

You can't open the Messages settings? Is that right?