Geohot has released RC2 of his Blackra1n jailbreak for the iPhone and iPod touch. This version provides a tethering jailbreak for the new iPhone 3GS with the updated Bootrom.

What’s New:
- Fixed 3G issues
- Tethered jailbreak for 3.1 OOTB ipt 8GB and new 3GSes
- Fixed Icy issues
- Both Windows and Mac
- If you used RC1 with success, no need to rerun