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  • iPhone 4.0 Multitasking on iPhone 3G/iPod touch 2G


    The welcome announcement of multitasking support in iPhone 4.0 was muted by Steve Jobs throwing millions of iPod and iPhone users under the bus. "Their hardware can’t support it," Jobs said, adding "if that’s an incentive for them to upgrade to a new device… terrific..” Well thanks, Steve. Imposing high minimum system requirements for OS upgrades are nothing new, but saying that "hardware can't support" what it can clearly (if slowly) support seems a little... well "disingenuous" is a kind word for it.

    Turns out that older iPhones and iPod touch devices can, of course, support iPhone OS 4.0 multitasking. The switch to enable or disable multitasking was found last week by Will Strafach (@cdevwill), the guy who tweeted the picture of the iPad running Cydia. Apparently one of the properties in the capabilities plist of springboard.app (/System/Library/CoreService/SpringBoard.app/N82AP.plist) is MULTITASKING=FALSE. Change that to TRUE, according to Will, and you're all set.

    Sure, it'll probably crawl. But why not let users decide whether or not they want to enable it? Although if Apple wants to continue to encourage jailbreaking by locking down the features of the OS, that's fine with us...
    This article was originally published in forum thread: iPhone 4.0 Multitasking on iPhone 3G/iPod touch 2G started by Paul Daniel Ash View original post
    Comments 79 Comments
    1. chuckiee's Avatar
      chuckiee -
      iPhone 4.0 OS
      [FREE]---> Activating UDIDs for the 4.0 OS software BETA
      Contact me At chuckiesk8 @ gmail . com
    1. stfudvs's Avatar
      stfudvs -
      won't the iPhones 4.0 multitasking be more efficiant than proswitcher or other multitasking apps?

      if so then I don't get the issue

      my 3g is no speed deamon but withno winterboard installed all useless deamons and langpacks deleted it runs proswitcher just fine, never crashes and mem sits just above 50m, so if this is the case I'll be looking forward to proswitcher being ported to 4.0
    1. Luppin's Avatar
      Luppin -
      I agree with sziklassy completely, their genius bar would be flooded by non-tech savvy customers.

      And I don't really see what the big deal is, the iPhone 3G is 2 years old, that's an eternity when it comes to technology, just be happy they're even giving you 4.0 when most (all?) android phones released 2 years ago don't have eclair
    1. awesomeSlayer's Avatar
      awesomeSlayer -
      Not recommended for iPhone 2G and iPod touch 1G. Mainly due to RAM issues which will cause some applications to lag and battery consumption.
    1. TristianLyons1022's Avatar
      TristianLyons1022 -
      i heavily multitask on my 16Gb 3G and i never have any issues with lag. im 3.1.3 jailbroken (sadly got 3.1.3 after i had to warantee return my phone) and use backrounder with proswitcher. After deleting unneeded launch daemons and language packs, i hit about 70mb free and can easily backround mail, safari, TomTom, ipod, and be playing a game like fat-a-pult with no lag at all. Yes im 100% sure i have a 3g, not 3gs.

      i see no issues with multitasking on older devices especially if the 4.0 MT is supposed to be better than backrounder.
    1. sziklassy's Avatar
      sziklassy -
      Quote Originally Posted by TristianLyons1022 View Post
      i heavily multitask on my 16Gb 3G and i never have any issues with lag. im 3.1.3 jailbroken (sadly got 3.1.3 after i had to warantee return my phone) and use backrounder with proswitcher. After deleting unneeded launch daemons and language packs, i hit about 70mb free and can easily backround mail, safari, TomTom, ipod, and be playing a game like fat-a-pult with no lag at all. Yes im 100% sure i have a 3g, not 3gs.

      i see no issues with multitasking on older devices especially if the 4.0 MT is supposed to be better than backrounder.
      It sounds to me like you modified your OS. This is fine, but Apple of course will not do this. Hence, your statements are largely irrelevant.
    1. iphone8130hak's Avatar
      iphone8130hak -
      Good cause my wife was pissed about that
    1. daching's Avatar
      daching -
      I suppose we must consider ourselves lucky iPhones are powered by flash memory. If it was magnetic hard drive then we wouldn't ever dream about multitasking.
    1. moon#pie's Avatar
      moon#pie -
      ^that's what ram is for.
    1. steve-z17's Avatar
      steve-z17 -
      You'll want to upgrade, the lag will be annoying on a 2G/3G iPhone. The new phone will kick trash anyway
    1. pyromcr's Avatar
      pyromcr -
      cool, i see a tweek showing up on cydia as soon as os 4 comes out that will enable it!
    1. jadenyuki678's Avatar
      jadenyuki678 -
      come on steve i can understand the 2G but 3G thats just a bunch of BS i knew they where hiding it
    1. hellrazor35's Avatar
      hellrazor35 -
      So what non jailbreak SSH should I get???
      For OSX 10.6
    1. deathbybunnies6's Avatar
      deathbybunnies6 -
      can't wait!
    1. roeiboot's Avatar
      roeiboot -
      Quote Originally Posted by hellrazor35 View Post
      So what non jailbreak SSH should I get???
      i like to know as well... unable to get in it with WiFi and WinSCP.
    1. luvmytj's Avatar
      luvmytj -
      The aforementioned option does not exist on my 16gb 3G.
    1. Ajblue7's Avatar
      Ajblue7 -
      are you stupid why would you let this out so early! now i bet they will patch it so the underclass devices have a seperate download. im really hoping for this not to be found and eventually get a package in cydia for many users to easily use. i know i could do this myself and blah blah blah, but it takes about a week of knowledge to be able to navigate your iphone/ipods directory and succesfully change things without messing something up. and many users would rather just download something.

      also, i really think cydia could run faster and i'm really disappointed cydia still runs like a dinosaur.
    1. danfarmer's Avatar
      danfarmer -
      anyone know which directory path to get to this plist file?
    1. Ajblue7's Avatar
      Ajblue7 -
      Quote Originally Posted by steve-z17 View Post
      You'll want to upgrade, the lag will be annoying on a 2G/3G iPhone. The new phone will kick trash anyway
      well, thats debatable, obviously apple most likely refined multitasking so it runs much lighter than current multitasking apps in cydia, and those run pretty smooth on simple apps. as long as you don't have to many apps at once or have really big ones open at the same time. I think they just don't want it for the weaker devices because they don't want you to open a bunch of stuff at the same time and run the risk of a springboard crash.
    1. hellrazor35's Avatar
      hellrazor35 -
      Quote Originally Posted by Ajblue7 View Post
      also, i really think cydia could run faster and i'm really disappointed cydia still runs like a dinosaur.
      Yeah I agree. Cydia is the slowest thing on iPhone