So why they named Corona? That's a good question, if we flash back to few days ago, I have told that the Pod2G handed the untethered jailbreak to Chronic Dev Team for testing purpose. And now The Chronic Dev Team release the corona for untethered jailbreak A4 based phones running on iOS 5.0.1.
How to download Corona iOS 5.0.1 untethered jailbreakThis only for jailbroken iPhone users who use A4 based phones and have already tethered jailbreak their iOS using tool like Sn0wBreeze, Redsn0w and then Ac1dSn0w. Then you can simply launch Cydia via your homescreen and of course search for Corona packaged who has already provided for you with the untethered jailbreak ability .
And if you want to use Redsn0w, then visit: Download Redsn0w 0.9.10b1 to Untethered Jailbreak A4 5.0.1 Firmware.