Iphone 6 plus phone was launched in india in september 2014 and the feature are as follow
1) OS iOS 8, upgradable to iOS 10.0.1
Chipset Apple A8
2) CPU Dual-core 1.4 GHz Typhoon ( ARM v8-based)
3) GPU PowerVR GX6450 ( quad-core graphics)
The battery backup is good And u can update the os version upto 10.0.1
information about camera
8megapixle with auto flash
1080 fps videp
Its really awesome phone