iPhone won't accept sign-in
Recently changed to two-factor authentication, iPhone won't accept Apple id, Update Apple ID Settings>Continue>Enter Password correctly>sign in>Enter phone passcode>NOTHING. Wheel just goes round and round
Question marked as
Top-ranking reply
Do you have access to another WiFi network where you can try? That has worked for several people.
Try a restart.
Restart your iPhone, iPad, or iPod touch
Try a forced restart.