Forgot Lock Screen password of my iPhone

If you forgot the passcode on your iPhone, or your iPhone is disabled or unavailable -

Click on the link for instructions on how to reset your passcode without a computer if you have iOS 15.2 or higher.

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

Click on the link for instructions on how to reset your passcode using a computer.

If you forgot your iPhone passcode or your iPhone is disabled - Apple Support

you need to restore the device and re activate the phone .

for doing this you need to the device to mac and open Apple Configurator and restore form there.

NOTE: restoring the device will lose all data in device