Now that the new Greenpois0n untethered jailbreak for iOS 4.2.1 is live and out, some apparently are experiencing a problem with Cydia showing up using the loader, but fear not as we have a video totorial on that subject for you below.

The how to fix missing Cydia after running Greenpois0n untethered jailbreak for the iPhone on iOS 4.2.1 tutorial video come our way courtesy of the guys over at Daily iPhone Blog and by way of the guys over at iPhone Download Blog.

The how to footage lasts just over four minutes and shows the user that they can actually use Redsn0w 0.9.6 atop of the Greenpois0n untethered jailbreak to install Cydia, and the whole process takes about ten minutes to complete.

So if you have been pulling your hair out in frustration at not being able to get Cydia after the untethered jailbreak, fret no more, sit back, relax and check out how to accomplish the task below…enjoy.