|Aug 3, 2010, 07:44 PM||#1|
iPhone "Wake on WLAN" enabled. How do I turn it off?
I noticed today that my iPhone 3GS running 4.0.1 (not jailbroken) is not turning off the wireless antenna when it goes to sleep. Normally when I put the phone in standby (lock the screen) and the phone isn't in an app, the phone goes to sleep and turns off the wireless antenna, thus saving battery. Today I noticed it wasn't doing this so I hooked up the Iphone Configuration Utility and saw the following in the log:
|May 17, 2013, 11:41 AM||#2|
You don't want to disable this. "Wake on WLAN" allows the wifi access point to wake your *sleeping* iPhone to deliver packets to it, such as push notifications.
Your iPhone isn't using any more power in this state than it would be otherwise. In fact, this mode helps it SAVE power, as it doesn't have to connect to the network periodically to check for new push notifications.
Also if cellular data is on, this is all moot as it will use that and shut down Wifi completely.
Old-school Apple ][ expert! Ask me if you have a ][ question!
Apple user 1983-1992, 2003-Present -- Linux user 1995-Present
Windows-free since 2003! Though I still have to deal with it at work.
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