iPhone 3G Jailbroken on iPhone OS 4.0 With Multi-tasking [Video]

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Posted April 14, 2010 at 1:17pm by iClarified

DarkMalloc, lilstevie, and iH8sn0w have posted a video showing a jailbroken iPhone 3G with multi-tasking enabled.

iH8sn0w has posted the following reasons for not offering a jailbreak for the beta OS.

1: It cannot restore on a PC, only a Mac can. There is no way to make it run on a PC.
2: Its very very buggy
3: This is meant for developers to test new api's.
4: it has a 58% success restore rate.
5: It would promote more piracy. Meaning users would illegally download the ipsw and bypass the UDID trap.

No new exploit was used; rather, a jailbroken device was upgraded in a manner which retained the jailbreak.

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lilstevie - April 15, 2010 at 7:49am

It most certainly is... http://twitpic.com/1fo6sb Thats from device, Cydia shows device type, and firmware version... Also multi-tasking manager is open

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David - April 14, 2010 at 6:28pm

Apple's disabling of MT has nothing do with with processor speed and everything to do with available RAM. My 3GS comes up with about 165MB free out of 256MB. This equates to a 128MB phone having less than 40MB free. Since OS 4.0 suspends-to-RAM every app, clearing it out only when the memory is needed, this setup with mean constant expunging of RAM and thus very little benefit. Since a well-written app with save state fully just in case it's cleared from memory, the only way to tell an app that's starting up from a properly restored "backgrounded" state from one that's starting over from scratch is startup time. This video doesn't really make a convincing case. Plus, the demo uses very small memory footprint apps, all likely to fit into the free RAM. We'll see how well this works when apps are actually written to support the backgrounded services like audio streaming. If the 3G can load and stream Pandora and then load and use another foreground app smoothly, then it might make sense to complain to Apple about enabling MT on this phone. If, on the other hand, Pandora quits due to lack of memory the moment any substantial second app is launched, we'll see why Apple chose the path that it did.

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Aaron Wright - April 14, 2010 at 5:52pm

In all fairness, this is a BETA, and its only been out for a VREY SHORT while, its a work in progress. It probly wont even be released till mid summer, like 3.0 was. If your going to install 4.0, dont expect to have a reliable phone

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winsett - April 14, 2010 at 5:19pm

doesn't help at all if: 1. CAn't jb on pc 2. Only a 58% success rate anyway 3. "buggy" 4. Only on 3g

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flexus - April 14, 2010 at 4:32pm

wtf is this??? nothin special??? thats not even an iphone thats on 4.0. thats proves nothin. lame

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Aaron Wright - April 14, 2010 at 3:02pm

Why would you not open Cydia as one of the tasks?

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L - April 14, 2010 at 4:42pm

Cydia is not compactible with iphone 4.0 yet.