I think the iPhone 6 to 6S will be much bigger update than the 6S to 7 The only things I see Apple adding to the 7 is AMOLED 2k/4k display..32GB storage and Dual Camera and of course the new design. But I see nothing else.. Force Touch is kinda a huge feature. It will make iOS X the biggest update. Honestly...I don't see phones needing more than 4GB of ram for a long time. Not until it has 8K displays in like 10 years from now.