Stephen Fry (British actor, comedian) made an announcement about ultrasn0w availability on his twitter account.
see full announcement on Dev-Team blog.
Ultrasn0w for iPhone 3G is ready!
- Ensure you have upgraded to iPhone OS 3.0
- Jailbreak your iPhone 3G using redsn0w or PwnageTool (this will also install Cydia/Icy)
- Run Cydia or Icy
- Please add the repo repo666.ultrasn0w.com to Cydia or Icy. That last ‚Äúo‚Äù is actually the number zero ‚Äú0‚Äù! If you use the letter ‚Äúo‚Äù you‚Äôll get an error.
- Search for ‚Äòultrasn0w‚Äô in cydia or icy and install ultrasn0w
- Reboot your iPhone 3G
- T-Mobile USA users should disable 3G before using ultrasn0w
check out our guide on how to use ultrasn0w