Is iPhone 6S a great phone? Yes, it is. It does have its unique features and they promise a great deal in future updates. Is it worth upgrading over iPhone 5S? The users of iPhone 5S are the main target, the iPhone 6S being leagues ahead from all points of view (better camera, larger screen, better...
3D Touch; Still a great design; Great performance; Good camera performance; Stable OS
No microSD card slot; Low battery life; No optical image stabilization; Price is quite high