The well known iPhone developer and hacker Joshua Hill of the Chronic Dev Team has provided an ETA for the arrival of updated GreenPois0n jailbreak tool for the newly released iOS 4.2.1 firmware. For those of you who don’t know, GreenPois0n is based on Geohot’s Limera1n bootrom exploit which has already pwned all current iOS devices for life. The only problem is that it is a tethered jailbreak, which means you will have to boot it into a “jailbroken state” using a tool like Redsn0w on every reboot.
More: continued here
