At the end of the passcode recovery process you will get an empty phone in "Hello" mode and you set up wifi along the way of setting it up.
iPhone Unavailable, Security Lockout, or Disabled
You can sometimes remedy this without a computer if on iOS 15.2 or later by tapping on "erase iPhone" , but you will still need the Apple ID password. It will WIPE the phone, no choice!
How to remove your iPhone, iPad, or iPod touch passcode without a computer - Apple Support
video
https://youtu.be/7s8-zLG9ySQ
ios 15.1 and earlier:
If you've forgotten your iPhone passcode – Apple Support (UK)
Turn off Raise to Wake in Settings, Display & Brightness and turn off Tap to Wake in Settings, Accessibility, Touch to prevent it opening in your pocket or purse