How can I sign in an iPhone when I can't find the previous owner?

How can i sign in an iPhone when i can't find the previous owner?

This is simply not possible, and Apple will not help you.

If you purchased this phone from someone or a store, return it for a refund.

You don’t

Sskevin wrote:

How can i sign in an iPhone when i can't find the previous owner?

ref:

I bought a used iPhone and previous owner… - Apple Community