How to set a 3D Touch features in 6 plus
I Have a 6 plus 64 GB ....how to set a 3D Touch features
iPhone 6 Plus, iOS 9.2.1
I Have a 6 plus 64 GB ....how to set a 3D Touch features
iPhone 6 Plus, iOS 9.2.1
I believe you would need a 6S or 6SPlus, not a 6Plus
See feature comparisons here
3D Touch is more than just a setting on the phone. It requires new hardware such as new pressure sensors and a new taptic engine. It's currently only available on iPhone 6S and 6S Plus.
How to set a 3D Touch features in 6 plus