Popular jailbreaking software RedSnow has been updated to bring support for Mac OS X 10.5.x or below. For the time being RedSn0w 0.9.10b6b supports only tethered jailbreak on iOS 5.1 firmware. iPhone Devs team released RedSn0w 0.9.10b6b few weeks back to bring tethered jailbreak on iOS 5.1 firmware on iPhone, iPad and iPod touch but this version did’t support for Mac OS X 10.5.x. According to iPhone Devs Team;
Update #1b: The OS X version of redsn0w has been updated to fix an issue for those running OS X 10.5.x or earlier.
If you are using an old version of MAc then it is great news for you that now you can jailbreak your iPhone, iPad or iPod touch with your old version of Mac.
Download RedSn0w 0.9.10b6b for Mac OS X