We have a clear, indisputable winner in this category. If you own an iPhone 3GS and are not plugging in for more juice a couple of times a day, you really must not be using your phone very much. I’m sure you’ve seen the graphic to the right more than once. When the iPhone 3GS was my daily carry device, I would chuckle that within the first hour of waking up I would be down to 80% just checking Twitter, my Google Reader feeds, and seeing what my friends on Facebook were doing.
In order to get a full work day’s worth of use out of the iPhone 3GS’s battery, I had a routine I had to follow which was quite monotonous after day two. When I would leave the house for the office, I would turn off WiFi and turn on Bluetooth and Location Services. When I would get to the office, I would turn off Bluetooth and Location Services (GPS). When I would leave for the day, I would turn Bluetooth and Location Services back on. Upon arriving at home, those two services would be turned off again and back on with the WiFi. I had to do that to just get through a 10 hour work day.
I deliberately put the MyTouch 3G to the test today. I loaded Twidget Lite as a background process to check my @jsnyng Twitter account every 15 minutes. I loaded Twidroid as a background process to check my @AndroidChal Twitter account every 15 minutes. Moving on to email settings, I cranked up the Exchange ActiveSync settings to notify me as messages arrived. Total talk time on the phone today was 129 minutes. I downloaded a couple of podcasts, checked the weather, played with Sherpa, and sent a few emails and SMS messages. It’s nearly 8:30PM here on the east coast of the US as I’m typing this, and I still have slightly over 20% of the battery left. If I had put an iPhone 3GS under that load (if it allowed background apps to run), I wouldn’t have made it past 2PM at the latest without a completely unusable device due to a dead battery. Chalk this win up to the MyTouch 3G.

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Speaking of switching BT/WiFi/GPS on and off all over and over – try ToggleSettings app from Android Market. It has pretty neat functionality allowing to define profiles and rules.
Speaking of switching BT/WiFi/GPS on and off all over and over – try ToggleSettings app from Android Market. It has pretty neat functionality allowing to define profiles and rules.