iPhone Dev team is still working on hacks for iOS and iDevices and just yesterday they released latest Redsn0w for iOS 6 GM, version 13dev4 for all who download iOS 6 GM now need to jailbreak it for testing. Yesterday Apple released the iOS 6 GM which is latest Apple operating system iDevices. There aren't some fundamental changes in the new version of iOS 6.0 from the previous beta builds. Which was probably the reason why hackers from iPhone Dev-Team released Redsn0w 13dev4 for iOS 6 GM tethered jailbreak so quick. redsn0w for iOS 6 gm iPhone Dev Team released RedSn0w for hacking 6.0 GM, launched right after the Apple event presentation for developers with open access to the new iOS. At this point, jailbreak iOS 6 is intended for developers only, because it contains a number of fundamental problems with Cydia and PreferenceLoader. Redsn0w 0.9.13dev4 tethered jailbreak for the following devices:
  • iPod touch 4G
  • iPhone 3G
  • iPhone 4 GSM
  • iPhone 4 CDMA

Download Redsn0w 13dev4 for Mac and PC

Note: This Redsn0w tool performs tethered jailbreak and only for developers so don't use it to jailbreak your current iOS (except iOS 6 GM). If you need Redsn0w to jailbreak your iPhone use the link and download Redsn0w 14b2 and jailbreak your device untethered. Now all you need to do is to jailbreak iOS 6 GM using Redsn0w and test apps on Mac computer or Windows PC. Also you check what iPhone Dev team posted about this 13dev4 version:
The “dev4” version covers all the betas and yesterday’s 6.0 GM seed.  There are some remaining issues with Cydia and fundamental modules like PreferenceLoader, so it remains an openssh-style developer-only release only for now!
The tutorial guide on how to jailbreak iOS 6 GM using Redsn0w 13dev4 is ready. Stay tuned with us and you will bet the first who will get full and simple how to guide. Also if there are those who have already try iOS 6 GM you can leave your impressions in the comment form below about its new features.