This year, the iPhone 6s and iPhone 6s Plus have one of the new key features called 4K video and what does it looks like? Today, Giga Tech has uploaded a new video to compare between iPhone 6s and iPhone 6s Plus’ optical image stabilization with 4K video. While the iPhone 6s doesn’t have optical image stabilization however it does have digital image stabilization which can prevent some shakiness. Check out the video in below anytime.