Faster fingerprint sensor, slightly better camera, and novelties such as a pressure sensitive screen cannot make up for the lack of extended battery life
iPhone 6 Plus Vs iPhone 6S Plus In 2019! (Comparison) (Review)
Ovantica: Buy Renewed/Refurbished Gadgets At Affordable Rates
Differences Between iPhone 6s vs iPhone 6s Plus: EveryiPhone.com
Which is the better iPhone, 6 plus or 6s? - Quora
iPhone 6s - Wikipedia
Apple iPhone 6S Plus review: Bigger is (mostly) better - CNET
iPhone 6S Plus review: barely better than the iPhone 6 Plus, iPhone 6S
Apple iPhone 6 Plus vs Apple iPhone 6s: What is the difference?
Apple iPhone 6 and 6 Plus review: Bigger and better. Apple set gold standard for smartphone image quality - DXOMARK
Which is the better iPhone, 6 plus or 6s? - Quora
Apple iPhone 6s Plus week-long review: A dependable phone that many of us need
iPhone 6S Plus review: barely better than the iPhone 6 Plus, iPhone 6S
Spigen [Rugged Armor iPhone 6 Plus 6S Plus Case Cover with Flexible Durable Shock Absorption and Carbon Fiber Design for iPhone 6 Plus 6S Plus - Black : : Electronics
iPhone 6s Review: A Slightly Better iPhone 6 - WSJ