Does iPhone 6s support 3D Touch?
These devices support 3D Touch: iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, and iPhone XS Max.
What is 3D Touch in iPhone 6s?
The 3D Touch technology is included in Apple's devices capable of detecting touch pressure variations. The compatible iPhone models with 3D Touch on board are: Apple iPhone 6S.