Redsn0w 0.9.5b2 to Jailbreak iPhone OS 4.0
Redsn0w 0.9.5b2 download has been released to jailbreak iPhone 4.0 running on iPhone 3G which is a fix to a couple of bugs found in Redsn0w 0.9.5.
Some developers were facing SMS and 3G data failure issues after using Redsn0w 0.9.5 to jailbreak iPhone 3G on iPhone OS 4.0 beta 1. But a quick fix has been posted by the iPhone Dev-Team to jailbreak iPhone 4.0 on iPhone 3G.
For those JB app devs who experienced SMS or 3G data failures, the new 0.9.5b2 download at the bottom of this page should clear things up. You’ll need to do a fresh restore to stock 4.0b1 before applying the new beta redsn0w update.
Download Redsn0w 0.9.5b2 to Jailbreak iPhone 4.0b1
You can download Redsn0w 0.9.5b2 + the instructions on how to use from here: Download Redsn0w 0.9.5b2