I forgot my iphone password

Password or passcode?

If you forgot the Apple ID (iCloud) password, enter the Apple (iCloud) ID, and click Forgot Password. See if you can get a Rescue or Notification email option if necessary. Link to contact Apple Support at the end of the 2nd article.

Apple ID - Manage  -     

Apple ID – Forgot Password  *      

If the passcode, see the Apple Support article(s) below for earlier than IOS 15.2 . 

Passcode - If you forgot the passcode for your iPhone or your device is disabled.    *

ASC YouTube for how to restore your iPhone if you forgot your passcode

reset your iphone by itunes in mac or windowes and open your appke id and get back up agin to apps

you can reset it on iTunes