iOS 5 Beta 7 for iPhone4 and iPad 1,iPad 2 was released by Apple yesterday for registered Apple developers.This new Beta 7 contains many security improvements and several stability updates.iPhone developer and hacker iH8sn0w has just released Sn0wbreeze 2.8b7 for Windows which can not only jailbreak this latest version of iOS 5, but can also preserve the old baseband (hacktivation is also supported) on iPhone 4 and 3GS so that they can be unlocked using Ultrasn0w or Gevey SIM.
1.This Sn0wbreeze 2.8b7 removes the Beta expiry timer and UDID check,so that any one can use this iOS 5 Beta 7 with out Apple developer account.(by default, Beta 7 expires on October 20th)
2.Still has the ability to hacktivate.
3.Still preserves the baseband
Sn0wbreeze 2.8b7 for Windows can be downloaded from here.