Nokia's 'Tube' already has great battery life. But Tzer2 wants to go to the max and has penned an excellent 'how to' on maximising the battery life on the Nokia 5800 XpressMusic... and on just about any other comparable phone, for that matter. Some great (if sometimes extreme) suggestions here.

"If you wish to only switch off Wi-Fi:

Open the connections menu, select the tower logo with "Conn. via" next to it, then "Options", then "Disconnect WLAN". Then press the red button to get back to the front page."

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