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Tethered iOS 5 Beta 1 jailbreak now available via redsn0w beta

Just as MuscleNerd informed the world that the iPhone-dev Team has successfully jailbroken a developer beta of iOS 5, the team this morning released an updated redsn0w beta tool that lets you put unsanctioned apps on your devices running a developer preview of iOS 5.

redsn0w 0.9.8b1

This week’s developer release of iOS 5 has brought hundreds of new features for iPhone and iPad owners, but jailbreakers haven’t wasted any time trying to figure out a way to get the old tweaks and hacks from Cydia working on the devices running the new OS. As tweeted by Musclenerd two hours ago, a new beta of popular jailbreaking tool redsn0w is available, bringing compatibility with devices on iOS 5 beta but exclusively meant for developers willing to beta test the software. As iOS 5 beta is developer-only and consumers shouldn’t get their hands on it, the Dev Team is asking developers of jailbroken apps to test their tweaks against the OS Apple will release this Fall.

Compatible devices:

Furthermore, iSpazio reports a first list of compatible and not working tweaks on iOS 5 beta 1:

Working

  • iFile
  • CyDelete
  • OpenSSH
  • iSHSHit

Not Working

  • MobileSubstrate
  • Springtomize
  • PhotoMail
  • ActionMenu
  • Celeste
  • BiteSMS
  • WinterBoard

UNLOCKERS AND THOSE PRESERVING THEIR UNLOCKABLE BASEBANDS SHOULD STAY FAR AWAY FROM THIS! You will very likely lose your unlockable baseband if you try to install iOS 5.

THIS jailbreak IS INTENDED ONLY FOR DEVELOPERS OF JAILBROKEN APPS! There are just too many broken components (Apple’s official apps, 3rd-party App Store apps, Cydia apps, MobileSubstrate apps, etc) for this to be useful to anyone but those truly looking to fix bugs in their iOS 5 jailbroken apps. (Seriously!)

THIS RedSn0w WILL NOT HACTIVATE 5.0b1! You need to be an iOS developer with a registered UDID to get past all the new activation screens. PLEASE DON’T PIRATE APPLE SOFTWARE! Only registered devs with Macs can develop iOS applications, and only those people will have legitimate access to the beta IPSWs.

THIS IS A TETHERED JAILBREAK ONLY! No new exploits are being exposed with this jailbreak (it uses geohot’s limera1n bootrom exploit), but that comes at a cost. You will need to use redsn0w to “Just boot tethered now” to be able to use many things, including Cydia and Safari. If you see a white icon for Cydia, or if Cydia or Safari crash when you open them, it’s because you didn’t boot tethered.

IF YOU HAVE THE 06.15 BASEBAND ON YOUR 3GS…this redsn0w will get you past the iTunes restore error you’ll get when using the stock IPSW (nobody other than those with the 06.15 baseband should be going anywhere near the stock IPSW!).

The iPhone Dev-Team notes that this version of RedSn0w will likely work to jailbreak future iOS 5 betas by pointing to the 5.0b1 ipsw.

The new beta is Mac-only, and if you’re a developer interested in checking out whether your Cydia App is working on iOS 5 beta, you can download it here.

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