Trusted Reviews is supported by its audience. If you purchase through links on our site, we may earn a commission. Learn more. Yi Technology Camera Reviews Yi 4K+ Action Camera Review Score Hands-on: The first 4K/60fps action camera Review Price: £330.00 Yi Technology Richard Easton Yi 4K Action Camera Review Score GoPro imitator comes seriously close Review Price: £250.00 Yi Technology Richard Easton Page 1 of 1