Redsn0w 0.9.6rc7 Released ! Brings One-click Tethered iOS 4.2.1 Boot !

[Dali 4070]

The iPhone Dev Team has just released a new version of Redsn0w with one-click tethered iOS 4.2.1 jailbeak boot support. Redsn0w 0.9.6rc7 includes “one-click tethered boot” support for those of you running the tethered 4.2.1 jailbreak.

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With Redsn0w 0.9.6rc7, you can use command-line arguments so you can now bypass the screens you’d normally see as you use redsn0w to “Just boot tethered for now” when your device is rebooted.

Here's the update from the official blog:

We've updated redsn0w to include "one-click" support for those of you
running the tethered 4.2.1 jailbreak. Using command-line arguments,
you can now bypass the screens you'd normally see as you use redsn0w
to "Just boot tethered for now".

The available command line arguments are:

-j to ask redsn0w to "Just boot now"
-i to specify your reference IPSW
-o for old-bootrom iPod touch 2G and iPhone 3GS
-b to specify your own boot logo png

For example, to get redsn0w for Mac to do a tethered boot of an iPod touch 4G jailbroken at 4.2.1:

open ~/Desktop/redsn0w.app --args -j -i ~/Desktop/iPod4,1_4.2.1_8C148_Restore.ipsw

This assumes both redsn0w and the IPSW are on your OS X desktop, so
modify as necessary! Included in the zip is an example script file
that you can double click on to launch redsn0w like this (the Windows
example assumes everything is in C:\). (Mac users: please remember to
change the permissions of your custom *.command files to allow
execution.)

This should help ease the pain of the tethered jailbreak until @comex
comes up with a 4.2.1 untether (or for those of you with legit access
to the 4.2b3 IPSW, until the "Jailbreak Monte" untether is out of
beta)!

- PLEASE UPGRADE TO iTunes 10.1 FOR BEST RESULTS
- WINDOWS 7 USERS SHOULD RUN redsn0w IN "XP COMPATIBILITY" MODE
- Make sure you're using a USB 2.0 port

Please note that the iPhone Dev Team is working on untethering iOS 4.2.1 jailbreak so you don't need to connect your iOS device everytime it reboots. They are have released Redsn0w 0.9.7 beta for Mac OS X, you can try the latest release of this beta but you need iOS 4.2 beta 3 hashes and IPSW file.

Download Redsn0w 0.9.6rc7 for Windows
Download Redsn0w 0.9.6rc7 for Mac OS X
Download iOS 4.2.1 for iPhone, iPad and iPod touch