The iPhone 7 is just as sleek as its predecessors, with the iconic rounded design. It's lighter though at 138g, down from 143g on the 6S. It has been launch alongside iOS 10
iPhone 7 also gets a performance boost, with the phone packing a four-core, 64-bit Apple A10 Fusion chip, that's a big leap from just a dual-core processor in the iPhone 6S.
Apple saying the iPhone 7 is 40% faster than its predecessor, and twice as fast as the iPhone 6.