iPhone

4.7 inches display
iOS 11, upgradable to iOS 11.1
Hexa-core (2x Monsoon + 4x Mistral) Processor
No memory card slot
256 GB Internal Memory
2 GB RAM
12 MP Rear camera
7 MP Front camera
Non-removable Li-Ion 1821 mAh battery

4.7 inches display
iOS 11, upgradable to iOS 11.1
Hexa-core (2x Monsoon + 4x Mistral) Processor
No memory card slot
64 GB Internal Memory
2 GB RAM
12 MP Rear camera
7 MP Front camera
Non-removable Li-Ion 1821 mAh battery

5.5 inch Display
iOS 10.0.1 Operating System, upgradable to iOS 10.3.2
Quad-core 2.34 GHz Processor
32 GB Internal Memory
3 GB RAM
12 MP dual Rear camera
7 MP Front camera
Non-removable Li-Ion 2900 mAh battery

4.7 inch Display
iOS 10.0.1 Operating System, upgradable to iOS 10.3.2
Quad-core 2.34 GHz Processor
256 GB Internal Memory
2 GB RAM
12 MP Rear camera
7 MP Front camera
Non-removable Li-Ion 1960 mAh battery

4.0 inch Display
iOS 7, upgradable to iOS 10.3.2
Dual-core 1.3 GHz Processor
No Memory Card Slot
16 GB  Internal Memory
1 GB RAM
8 MP Rear camera
1.2 MP Front camera
Non-removable Li-Po 1560 mAh battery