extend battery

Browsing Cydia today I came across an application that I personally things is a must have. Auto3G, from the title you get a hint of what the application is about. The app automatically turns off 3G when you lock your iPhone and back on when you unlock the iPhone. I didn’t hesitate to purchase this, I think this will greatly extend my iPhone battery life. I’m always using 3G when I’m away from home, and…

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