Since the iphone 4 is electricity mobile phone, no...

Since the iphone 4 is electricity mobile phone, no one is energy saving, 7:30 blunt I started listening to music is a good electric 100% to 21:00 a battery is 50% to residence was 20% what iphone5s, do iPhone6 consumes more than 5 s?
If you want to fix the phone power change please apple, if you dont other cell phone companies do better than you