Somone explain persistent wifi for me

Discussion in 'iPod touch' started by bryster126, Oct 16, 2010.

  1. bryster126

    bryster126 Well-Known Member

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    I've been hearing it a lot, and i have no idea what it is... Please explain

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  2. mkm159

    mkm159 Well-Known Member

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    YES PLEASE!
    someone was saying that, and i actually sent him a visitor message, but im still confused lol
  3. HeadReaper

    HeadReaper Well-Known Member

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    Persistent wifi just means wifi stays on even when you lock the device. Apple first presented the feature in 4.0
  4. mkm159

    mkm159 Well-Known Member

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    ok but why is it a problem? cant you just turn off the wifi using settings or sbsettings if jailbroken?
  5. Jordy CDS

    Jordy CDS Banned

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    It is when your Wi-Fi is constantly on even when your iPod/iPhone is on standby mode(Sleep mode, when your screen is black and not on), allowing you to recieve notifications from Facebook, AIM, etc.. If you don't have persistent Wi-Fi , your Wi-Fi will automatically turn off when you leave it on standby mode not allowing you to recieve notifications or anything.

    Apple introduced persistent Wi-Fi in iOS 4.0 and it pissed off a few iPod Touch 2G users.
  6. tinyman392

    tinyman392 Super Moderator Staff Member

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    Some people see this as too much work, and they forget to do it. In return, the battery drains much faster. I actually like persistent wifi, but lots of people don't.
  7. mkm159

    mkm159 Well-Known Member

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    AHHH! makes lots of sense! thanks!
  8. TechDudeGeorge

    TechDudeGeorge Active Member

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    Wait, diden't iOS 3 on the iPod have persistent WiFi... I thought the iPod's had persistent WiFi and on the iPhone it was only persistent 3G. And 4.0 brought it to the iPhone.
  9. tinyman392

    tinyman392 Super Moderator Staff Member

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    iPhone OS 3 didn't have persistent wifi. You could get it with Insomnia though (Worked with OS 2 too). Persistent wifi was added into iOS 4. I think it might have been in the iPhone OS 3 betas, but taken out for the release. Then people on forums complained and they put it in for iOS 4.
  10. Blackened

    Blackened Member

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    Nope, wifi terminated when you locked your device in 3.x. Apple introduced persistent wifi in iOS 4.0. This way you will receive push notifications like mail and text when the device is locked. I have not noticed a significant battery drain on my 3G or 4G due to this, so I'm not sure what people are complaining about. I do turn off wifi in SBSettings at night though as to not be woken up by incoming email etc..

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