Quote:
Originally Posted by TomF
3G takes significantly more power than Wi-Fi which results slightly less than half the battery life. It's too bad that there isn't a way to turn off 3G while leaving Wi-Fi on.
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From the Kindle 3 manual:
Your Kindle automatically turns 3G coverage off when you connect using Wi-Fi. If you disconnect from a Wi-Fi network or if you move out of Wi-Fi range, Kindle automatically switches back to 3G coverage.