Apple id password reset error
Earlier iPhone models
Use this link to check if it really is a server problem: Apple - Support - System Status
If you are using a VPN, turn it off completely.
If it still doesn't work, refer to this page for Apple Support features ➞ Contact - Official Apple Support
If the presented options do not resolve your issue, keep experimenting with any series of selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.
This page has telephone numbers for contacting Apple for support and service ➞ Contact Apple for support and service - Apple Support