The users of Apple devices, who are familiar with happenings within the jailbreak community, might have enjoyed the April Fool's Day gag played by a popular iOS jailbreak blog earlier this week.

The blog came up with a post claiming that an iOS 5.1 jailbreak, named AprilRa1n, had been released. But unfortunately, despite many clues, some users took that joke to be true and updated their latest devices to iOS 5.1, hoping to get it jailbroken.

Yes, AprilRa1n was definitely a gag, with no intentions to cause any damage, but there're some other fake claims of iOS 5.1 jailbreak that are not good natured.

According to WebProNews, a press release got published on Yahoo, claiming that an untethered jailbreak of iOS 5.1 has been released by The press release said that the jailbreak software, priced at $24.99, can both jailbreak and unlock devices like iPhone 4S, iPhone 4, and iPhone 3GS running iOS 5.1 or 5.0.1. Jailbreak of the iPad running iOS 5.1 and iOS 5.0.1 was also claimed although the site didn't specify the iPad model.

Users must note that this iOS 5.1 untethered jailbreak claim is nothing but a scam. There are certain clues that prove it fake. First of all, users should never have to pay for any jailbreak. The jailbreak tools, like the one in question, are often older jailbreak software re-packaged and put up for sale, according to Softpedia.

As the renowned iOS hackers have said, any jailbreak (tethered or untethered) of iOS 5.1 is not yet ready for public use and there is currently no ETA for when a jailbreak will arrive for iOS 5.1.

While it is hypothetically possible that the people behind BestUnlockiPhone have succeeded where pod2g, chpwn, MuscleNerd, and the rest of the Dev Team have failed, it's not very likely, said the WebProNews report.

iOS 5.1 Untethered Jailbreak: Updated Status

When Apple's New iPad hit the stores in the US, the iPhone Dev Team offered key information, maximizing the chance for an eventual jailbreak on the new tablet. The team looked optimistic over the eventual jailbreak as three different methods were under process.

On March 17, the entire jailbreak community got a pleasant surprise with reports saying that the new iPad had been jailbroken untethered by the iPhone Dev Team and that all the three jailbreak methods had been successfully tested on the new iPad. Thus, it was confirmed that not just one, but three different third generation iPad jailbreaks were created, thanks to hackers MuscleNerd, i0nic and chpwn.

But the iPhone Dev Team said in a blog post that the successful jailbreak attempts didn't necessarily mean that the new iPad jailbreak would be available to the public anytime soon.

It turns out that all three of the jailbreak methods mentioned above have had great success today! We're off to a good start (but remember there's still lots of work to do)!

In a bid to let the public know about the progress on the iOS 5.1 jailbreak scene, French iOS hacker Pod2g took to his Twitter account last week and said that there is currently no ETA for when the untethered jailbreak will arrive for iOS 5.1.

But right now we (cdev) have some pieces of a userland jailbreak, but we miss some, and even if we had them all, there's weeks of work, Pod2g tweeted.

That said, all the users, waiting for an iOS 5.1 jailbreak are recommended to keep an eye on the official jailbreak sources like the Chronic Dev Blog and the Dev-Team Blog or to follow the team members on Twitter for authentic updates on their progress in jailbreaking iOS 5.1.