how to use iphone 3g Airplane Mode in low- or no-coverage areas

October 25th, 2008,under iPhone books application, iPhone programs

how to use iphone 3g Airplane Mode in low- or no-coverage areas: Because your iPhone always tries to maintain a connection with the cellular network, it may use more power in low- or no-coverage areas. Turning on Airplane Mode can increase battery life in these situations; however, you will be unable to make or receive calls. To turn on Airplane Mode, go to Settings and set Airplane Mode to On.

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