How do I find my phone from another iphone

Use the other (borrowed) phone’s “FindMy”

Select “Me” page

Select link at bottom of page to “Help a Friend”

Select link at bottom “Use a different AppleID”

Then … enter YOUR AppleID and password.

I forgot my password n appleID n want my whole initial contact list notes. Facebook etc back on this now apple iphone

I want my whole data of old apple6s phone on my this iphone