With redsn0w zero.9.9b5 is conceivable to iOS 5 to jailbreak, without having to leave the Goldmaster need to have. Additionally Redsn0w 0.9.9b5 adds an important new function to the jailbreak tool: Update to iOS 5 while maintaining your current baseband version.
Until now, Mac OS X users should update to new firmware versions while preserving their baseband version (modem firmware) rely on PwnageTool, which generally only a new version comes out if there is a universal untethered jailbreak for the latest firmware version. The functionality to a custom firmware (IPSW file) to create for your baseband is not updated since version 0.9.9b5 of receiving redsn0w jailbreak also in this tool, the iPhone Dev Team included. Redsn0w 0.9.9b5 is initially only available for Mac OS X. It is also possible for Windows users to a custom firmware to iOS
5 using sn0wbreeze 2.8b8 .
In order to preserve your baseband update, use the first option Custom IPSW in the sectionExtras to make a custom firmware and put the same menu on your iPhone in DFU Pwned mode.Next, select the custom firmware, whose name NO_BB begins the iTunes option-click (Mac OS X) or Shift key (Windows) key while you Recover or Restore button. Changes in the security model of iOS 5, you Hosts file thereby not refer to Cydia instead of Apple's servers.
Combined with ultrasn0w will be short term for a software unlock iPhones to carry out appropriate baseband versions iOS 5. For iPhone 3G and 3GS is up to version 06.15.00 and the iPhone 4 only with version 01.59.00. You can check the version of your baseband check the menu settings to go, followed by General and Information . The baseband version can be found behind Modem Firmware . Updating while preserving your baseband is also important if you want to update to iOS 5 and uses a hardware GEVEY unlock baseband on newer versions.
Follow steps posted here to jailbreak your iPhone, iPod touch and iPad iOS 5 with Redsnow 0.9.9b5
Download the new Redsn0w 0.9.9b5 for Mac (Windows version is coming soon)