I have iPhone XR
I’m locked out my iPhone my password not working how do I get in it without computer
iPhone XR
Question marked as
You might be able to erase / reset the phone and set it up again with a new passcode by using this Apple Support document.
How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support
If that will not work, then you will need a Mac or PC to get things going again. See this Apple Support document: