MrsTrouble

should i leave my wifi on all the time

Most Useful Answer DLOZ  Sep. 25, 2011 at 11:53

Do not turn WiFi off unless you turn 3G data off at the same time if you want to save battery. The 3G will eat a lot more battery than WiFi if its forced to use that when there would otherwise be a WiFi connection available.

As for GPS this should use very little amounts of battery if it is left on but not actively being used.

One of the best things you can do is limit the amount of time the screen is on and the brightness of it. Check your batttery usage table to see what is using the most battery.

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15 comments

Treab  Sep. 23, 2011 at 20:27

not if you want to use your phone regularly...

blizzard7  Sep. 23, 2011 at 21:15

If battery life is an issue for you, you may be able to squeeze a few more hours by switching WiFi off overnight and/or when you are not in range of a WiFi point. Having WiFi on all the time (even when not connected to the internet) drains battery life.

matt101101 / MOD  Sep. 23, 2011 at 22:24

I second all of the above.

JanSt / MOD  Sep. 24, 2011 at 07:14

MrsTrouble,
WHY would you need wifi on all the time?

ddruck  Sep. 24, 2011 at 19:46

Turn off your 3G when not using data for more battery life.

matt101101 / MOD  Sep. 24, 2011 at 20:00

Another fair point there, ddruck. Also, turn off your GPS unless you're using it, it eats battery like a boss.

blizzard7  Sep. 24, 2011 at 20:19

Doesn't GPS turn itself off when not needed? I know mine only comes on when I use Google Maps or the compass app.

matt101101 / MOD  Sep. 24, 2011 at 20:51

http://img839.imageshack.us/img839/5183/sc20110924204822.png

Well my S2 has a toggle switch to turn GPS off when you don't need it and it seems to eat battery a lot quicker if I leave it on...maybe it depends what phone you have?

blizzard7  Sep. 24, 2011 at 22:04

But do you get the little GPS logo in the notification bar when its on all the time?

matt101101 / MOD  Sep. 24, 2011 at 22:08

A surprising number of Apps turn it on, yeah. Even lots that I you wouldn't think would need/want GPS location data. Most (bar maps apps), work fine with it off.

DLOZ  Sep. 25, 2011 at 11:53

Do not turn WiFi off unless you turn 3G data off at the same time if you want to save battery. The 3G will eat a lot more battery than WiFi if its forced to use that when there would otherwise be a WiFi connection available.

As for GPS this should use very little amounts of battery if it is left on but not actively being used.

One of the best things you can do is limit the amount of time the screen is on and the brightness of it. Check your batttery usage table to see what is using the most battery.

JanSt / MOD  Sep. 25, 2011 at 14:49

DLOZ,

good points.
Wireless settings obviously depend on what someone uses in terms of sync, apps etc...
3G is, like the big bright screens these days, a huge energy waster.
Even if you're in 2G country, it'll constantly search for 3G. That uses a lot of juice and system's resourcs. I only turn on 3G when I know I'm visiting heavy websites, or to download apps etc...

blizzard7  Sep. 25, 2011 at 17:44

Yup, good points, although it doesn't apply if you're on the Three network.

m13  Sep. 28, 2012 at 11:01

well does it matter if ur wifi is left un-used and switchd all the time?does this affect ur internet usage?

JanSt / MOD  Sep. 28, 2012 at 14:03

WiFi ON won't affect your internet usage, but your battery life.The Wifi app will be searching for a signal non-stop.

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