am i able to bypass the activation lock on an Iphone 6 without the previous owners info? the previous owner is deciesed

No. You would need the original purchase receipt if possible, a copy of the will showing it has been left to you, a copy of the death certificate, a letter testamentary or a similar instrument from the executor of the estate and then submit all of this to Apple to see if they will remove the lock. I honestly don't think and iPhone 6 is worth all that effort.

See the "If you become the owner of a device inherited from a deceased family member:" section in:

The All Too Common SAD Reality of Buying … - Apple Community

or:

How to request access to a deceased family member's Apple accounts - Apple Support

Dad_1:

If "the pervious owner is deciesed", and you are a sufficiently close relative, Apple may be able to help you, given sufficient documentation.

You'll need to contact Apple.

(We're simply users, like you.)