If i keep wifi on will it reduce battery power?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by 55test55, Feb 25, 2010.

  1. -aggie- macrumors P6


    Jun 19, 2009
    Where bunnies are welcome.
    Short answer, yes. If you have it on and aren't using wifi, you're wasting battery life. If, however, you're at home or a wifi hotspot, you're better off with wifi than using 3G or EDGE.
  2. Rodimus Prime macrumors G4

    Rodimus Prime

    Oct 9, 2006
    It will reduce battery life if you are not using it but for anything Data wise it takes more power to use 3G than wifi.

    The amount of battery life you would loss using wifi will be negligible. Negligible in the sence that you with it on or off you should still get a well over 24 hours of use out of it. Chance are for most people they get more battery life out of using wifi than turning it off because pulling data on wifi is so much less than using 3g/Edge.
  3. rgarjr macrumors 603


    Apr 2, 2009
    Southern California
    Is wifi still connected and running after the phone is put to sleep.
  4. SDub90 macrumors 6502a

    Nov 9, 2009
    Long Island
    I believe it disconnects when the phone is not using any internet connect after a small period of time. Often times I try to load woot watch or istockmanager and it takes a while just for the wifi icon to pop up and connect then it starts to download from the web.
  5. Eso macrumors 68000


    Aug 14, 2008

    The only time it will use more battery power is if you use your phone for a long time without downloading anything (watching a movie).

    Even then, you probably wouldn't even notice any extra drain. Don't worry about turning it on or off constantly.

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