How can I get in my phone without passcode? I forgot it
Forgot passcode?
iPhone 12
Question marked as
You can't get in without the passcode; you will need to use one of the following options.
See instructions in: How to remove your iPhone, iPad, or iPod touch passcode without a computer - Apple Support
If that option is not available, you will need to use a computer. See: If you forgot your iPhone passcode - Apple Support