Need help unlocking Activation Lock on iPhone 6s Plus

No one here will be able to remove the Activation Lock on that iPhone, we are merely Apple volunteers.

If this is your iPhone you purchased new, you should be able to enter the Apple Account credentials it is locked to, which should be yours, to unlock it. You can also provide Apple with the proof of purchase documentation for them to unlock i.

If this iPhone you purchased used, you were scammed. The original owner did not properly erase the iPhone and thus you won’t be able to setup and use it for yourself. Try asking for a refund and then recycle it at your nearest Apple Store or electronics store. This User Tip will also be a good read for you before you buy used Apple products next time: The All Too Common SAD Reality of Buying … - Apple Community