not opne may phone i am second owner

You came here from the correct support article, you need help from the previous owner. Without their help, the phone will not be usable.. and it could be a stolen phone.

These are the instructions that they previous owner should have followed before getting rid of their phone.

What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support

Activation lock is a security protocol that cant be bypassed. Only the person it is locked to can unlock it.

If you bought this from someone and it came locked, try to get your money back, you will never be able to use the phone.

How to remove Activation Lock - Apple Support

The All Too Common SAD Reality of Buying a used iPhone - Apple Community