If you have any questions on iPhone’s battery life, please check this discussion board. Pretty interesting insights
Excerpts:
After full charge, it says
Usage: ~5hrs
Standy By: ~1Day
until the battery dies.
Notes: Wifi is on all the time and mostly used for Safari. Couple of calls a day. Sometimes randomly turning it on to look at the clock or just look at the menu.
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WiFi eats allot of battery because it is constantly looking for WiFi signals to connect too. If you don’t need WiFi for any reason during your day, turn it off. Your iPhone can easily last for 3+ days this way.
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someone mentioned that the iphone will notify you at 20% and 10%. my phone doesn’t do that actually I have noticed that my batter will only go down a little more than half then all of the sudden it will display the red battery saying the battery is completely drained and I can turn on the phone. My battery life is great but this really frustrates me since i can’t really tell when to charge my phone. any solutions? (im using version 1.1.2)
Check it out here - http://discussion.apple.com
Tags: iphone battery life, battery life






















