I know for a fact that the iPhone 5 has a strong battery. My previous iPhone 5 (yes i got a swap) had great battery!
***SOLUTION***
1. DFU restore your iPhone 5 to 6.0.1. You HAVE to do a DFU restore. This is especially so if you updated through the wireless updater in ios.
2. Restore from your favourite back up
3. In Settings>General>Reset, Erase Network Settings. Phone will reboot.
4. In Settings>General>Reset, Erase All Settings. Phone will reboot.
5. Set email notifications to every Hour
6. Turn off auto brightness and set to 25% to 35%. *I doubt anything more will be comfortable, but its really up to you. Just try to keep it as low as possible*
7. In Settings>Privacy>Location Services>System Services, turn off "genius for apps" & "location based iAds"
8. In Settings>General>Date & Time, turn off "Set Automatically"
9. In iCloud, turn passbook off. *optional if you actually use passbook*
10. It is important that you maintain these settings in the use immediately after these changes. After which, you can just use your phone and find out which app/perferred setting actually drains battery.
For my result,
- I spent about 3/4 of the day on wifi.
- Had 2 seven minute calls and quite abit of 2D gaming like lemonade tycoon.
- A lot of flipboard and Facebook.
- Constant checking of usage times in settings.
- 5 mins of apple maps navigation.
*I think I could have hit ten hours if I didn't use my gps for navigation during the day.
Alright guys, thats it. I hope this works for you. If you have more questions, just message me. (michelle, don't be lazy.)
Below is my Before and After screenshots