My iPhone I'd problem
Hi sir my name is Prashant Kumar iPhone 6 using my apple I'd problem
iPhone 6
Question marked as
Have you forgotten your Apple ID?, check your Apple ID via your email box, see this Apple article: If you forgot your Apple ID
https://support.apple.com/en-us/HT201354
OR see -> Having trouble signing in?
https://iforgot.apple.com/password/verify/appleid
See also this Apple article: If your Apple ID is locked or disabled