how can I reset the iPhone 13 max password?

Are you asking about the passcode required to open your iPhone? If yes, the instructions are below:

If you forgot your iPhone passcode - Apple Support

If you are asking about the Apple ID password, please see below:

If you forgot your Apple ID password - Apple Support

What password would that be? Are you talking about the passcode that unlocks the phone? Your Apple ID password? Any of the numerous passwords that you might be using with apps, web sites and email accounts? Please provide some details.

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If you forgot your iPhone passcode - Apple Support