Activation lock

This is a user helping other users with tech questions

forum, you are not addressing apple here  just  fellow users

the activation lock is not really on

the iphone it's a theft protection measure on apples servers

it needs to be removed

How to remove Activation Lock - Apple Support

if you don't know your appleID

Recover Your Apple ID - Apple

if that does not help you then you need the assistance of apple

Additional Support - Activation Lock (apple.com) and or

Get Support (apple.com) , Genius Bar Reservation and Apple Support Options - Apple

It's asking you to enter your Apple ID and password. Provided it's the same that was logged into the phone, you'll be able to unlock it.