The earlier iPhone 6 models had a front camera of 1.2 megapixels and 8 megapixels rear camera. However the new models will have 5 megapixels front camera for better selfies. The rear camera will be upgraded to 12 megapixels and of course you will now be able to record videos at an amazing resolution of 4K.
There are many other significant improvements in iPhone 6S models including the Force touch display which takes command depending on how hard your touch is. The devices are powered by Apple A9 chipsets and come with 2GB RAM. The Touch ID sensor has also been upgraded. Rumors have it that Apple might also announce its Apple TV, iPad Mini 4, Apple iPad Pro and an Apple Watch might also be announced on the coming event on September 9.