Apple CEO Tim Cook launched the much awaited iPhone 7 .The front camera will be 7 MP, while the back camera will be 12 MP.Both phones will come with optical image stabilization. But more importantly, in a first , the phones will be waterproof and dust resistance. There will be customisable force touch home button, which can be used by third party applications. The phone will be avalible in metallic colour, including rose gold, Sliver, gold, blue , and piano black