All new iPhone/iPod/iPad owners might be wondering if their device with new hardware is vulnerable to exploit found by Geohot. @iphone_dev recently tweeted on Twitter that any new iPhone/iPod/iPad is still vulnerable to the exploits currently available.
Here’s a How To guide to jailbreak iOS 4.2.1 using redsn0w 0.9.6.
And here’s a guide to jailbreak untethered on Mac OS using redsn0w 0.9.7
Also, the recent version of redsn0w has been updated to provide one-click tethered boot support! With this update, there is no need of selecting IPSW on each tethered boot!
This is the update #3 on Dev Team blog:
Update #3: 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 tethered for now”
-i <filename> to specify your reference IPSW
-o for old-bootrom iPod touch 2G and iPhone 3GS
-b <filename> to specify your own boot logo pngFor 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)!
Stay tuned for more news about the jailbreaking scene!
[redsn0w download links are available on Dev Team blog]
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