Forgot passcode to unlock iPhone

First please follow this Support Article: If you forgot your iPhone passcode or your iPhone is disabled - Apple Support

Now in the case that in the bottom right of your iPhone displays a Forgot Passcode? Option, you may be able to tap that and erase your iPhone without the need for a computer as stated above. You would want to follow this Support Article:

If you see an iPhone, iPad, or Apple Vision Pro unavailable message or Security Lockout screen - Apple Support

Click ▶︎ If you forgot your iPhone passcode, use your Mac or PC to reset it for step-by-step instructions.

Need more help?

• Call 1-800-APLCARE.
• Contact Support.
• iPhone Support.
• iPhone User Guide.

Good luck! 👋🏼😉