Originally Posted by scottjl
my 3gs had the same battery life as far as i could measure when i upgraded from 3.x to 4.x. my iphone 4 definitely has longer battery life than my 3gs did.
Do you know whether there is readily available info on iPhone 4 battery life vs. battery life on previous iPhones? I have a 3G and want to know. Significant battery improvement is one of the few reasons for me to consider upgrading.