I'm not able to sign in App Store, Apple ID or password is incorrect

Hello ~ Do you have your payment method set up yet?

Change, add, or remove Apple ID payment methods

~Katana-San~

See the Apple Support article(s) below. 

App Store, iTunes Store, or other Apple services - If you can't connect   *

 Do you have access to another WiFi network where you can try?

Log into your account in the App Store/iTunes and you should be able to change/verify it there.

Apple ID has not yet been used with the iTunes store. Please review your account information   -