@sbingner (author of TetherMe) has released “SAM” and “SAMPrefs” tweaks to bypass iPhone activation system. According to iPhone Dev team , “Subscriber Artificial Module (SAM)” tricks your iPhone and iTunes into creating legitimate activation tickets even though you’re unlocked with ultrasn0w. This means you get the full benefit of push applications. SAM also rectify the requirement of Ultrasn0w daemon that continue to run in the background, thus resulting in improved performance, stability and battery life.
iPhone Dev Team released an update to version 0.9.6b6 redsn0w, to make it easier to switch ...