Verification failed: Unknown error message when I enter my password?
Ipad2 will not accept my password. Why do I get a "Verification failed" message in all pop us requiring my password
iPad 2, iOS 8
See this Apple article: If you forgot your Apple ID password
If you forgot your Apple ID password - Apple Support
Then see this Apple article: What to do after you change your Apple ID or password
What to do after you change your Apple ID or password - Apple Support
See also -> If you can't connect or sign in to iCloud