Corona exploit was patched to jailbreak 5.1.0 beta for untethered jailbreak. If you have decided to jailbreak your ios 5 you can visit below tutorial on How to jailbreak using latest jailbreak software for ios 5 jailbreak. If you are a developer you must be knowing the updated status of jailbreak ios 5.1.0. You may be looking for jailbreak 5.1.0 although the ios 5.1 has not yet been released officially but there are news that the beta release of ios 5.1 has been jailbroken untethered. If you have jailbroken your idevice previously you will be familiar with the “Corona 5.0.1 Untether” exploit that was used for jail breaking the iOS 5.0.1 untethered. It was mentioned on many news blogs that Corona exploit has been patched in iOS 5.1 beta version which is latest version of iOS and few weeks ago was released for developers.
Corona exploit was developed by pod2g which was the first untethered jailbreak for iOS 5. The famous Jailbreakers has not yet talked more on the latest release but it seems that the exploit will not work on it as per current status and may be some confirmation can tell us the exact situation.