iOS 4.2.1

Jailbreak iPhone iOS 4.2.1

iOS 4.2.1 has been released for a while now, and up until this weekend, there wasn't a good and practical jailbreak for it. Sure RedSn0w did the trick but since it was a tethered jailbreak, it wasn't very convenient.

Then came RedSn0w untethered jailbreak, which was better than its predecessor, but still wasn't satisfying to most of us. Finally the Chronic Dev Team updated GreenPois0n, which brings a safe and reliable untethered jailbreak for iPhone iOS 4.2.1...

GreenPois0n Untethered Jailbreak for iOS 4.2.1 Released for Windows

Windows users rejoice! GreenPois0n has been released for Windows machines after seeing a few days of exclusivity for the Mac.

It was earlier today when we reported that the Windows version would make it to jailbreakers this weekend, and now the Chronic Dev Team has made good on its promises.

Check inside for the details and the download...

Windows Version Of Greenpois0n RC5 Coming This Weekend

We've got some good news for Windows users! Yesterday, Chronic Dev Team member, @p0sixninja announced that the Windows version of Greenpois0n RC5 should be released "tomorrow or the next day", meaning this weekend.

For those that have been out of the know lately, The Chronic Dev Team officially released Greenpois0n RC5 yesterday, providing the first iOS 4.2.1 untethered jailbreak for all iOS devices without the need of any SHSH blobs... 

iOS 4.3 Coming Very Soon, In-App Subscriptions, Personal Hotspot, and the iPad 2

All signs have been pointing to Apple releasing iOS 4.3 in the very near future, with speculation that Apple's 4.3 announcement could even come next week. Most speculation is centering on an Apple announcement taking place within the next 10 days.

Besides an iOS 4.3 announcement, Apple is rumored to be announcing the iPad 2, the Verizon iPhone's "Personal Hotspot" feature on AT&T, and an official release of in-app subscriptions.

Whether or not all of the speculation is accurate, it's evident that Apple will be holding an event in the near future...

Missing Your Cydia App After Jailbreaking iOS 4.2.1 with GreenPois0n?

Unless you've been living under a rock for the past few hours, you know that the long awaited GreenPois0n untethered jailbreak for iOS 4.2.1 was finally released.

Maybe it's just me, but I always seem to run into some sort of problem with missing or broken Cydia installations after a successful jailbreak.

To fix this issue I was able to install RedSn0w 0.9.6 on top of my GreenPois0n jailbreak with no ill results. By doing this you will still retain your untethered jailbreak, while gaining the necessary Cydia icon.

Check inside for the full video walkthrough...

How to Update to iOS 4.2.1 and Preserve iPhone 4 1.59.00 Baseband

Now that Greenpois0n RC5 finally provides the long awaited iOS 4.2.1 untethered jailbreak (without the need of SHSH Blobs), many iPhone 4 owners with unlocked iPhones' have been told to hold off upgrading to 4.2.1 as you will lose the ability to unlock (for now).

But thanks to TinyUmbrella developer @notcom, there is now a way to upgrade to iOS 4.2.1 without upgrading your baseband. Unfortunately, currently you will only be able to unlock your iPhone 4 on the older 1.59.00 baseband (modem firmware). So if you are not on the older baseband, you will not be able to unlock your iPhone 4.

For those of you with the older 1.59.00 baseband, follow the guide below to preserve your iPhone 4 baseband and unlock and jailbreak your iPhone 4 on iOS 4.2.1...

Tutorial: How to Jailbreak your iPhone 4.2.1 with GreenPois0n

The GreenPois0n untethered jailbreak for iOS 4.2.1 was released a few minutes ago and I already took it for a spin on my older iPhone 3G sporting iOS 4.2.1.

This step by step guide will show you how to use GreenPois0n to jailbreak your iPhone iOS 4.2.1. It's worth noting that this version will not hacktivate your iPhone and that so far, there is only a Mac version...

“Big Surprise” to be Included With Upcoming GreenPois0n Untethered Jailbreak?

If you've been keeping your ear to the street, a.k.a. keeping up with the latest jailbreak news on Twitter, then you may have stumbled upon several rumblings about a "big surprise" that will be included with the upcoming GreenPois0n jailbreak.

This newest version of GreenPois0n will provide an untethered jailbreak for iOS 4.2.1 firmware, and is destined to arrive any day now.

What could the so-called "big surprise" be? Will it be something we've seen before? Will it be a totally new feature that will blow our minds?

iPhone iOS 4.2.1 Untethered Jailbreak Showcased by Chronic Dev Team

Well, well, well. It looks like someone else is getting into the untethered jailbreak fun for iOS 4.2.1. That's right, today Chronic Dev Team unveiled a teaser video showcasing their untethered jailbreak for the iPhone.

Chronic Dev, the creators of the popular GreenPois0n jailbreak tool, are the same devs behind this upcoming tool for iOS 4.2.1, but they aren't alone in the rush to untether Apple's latest public firmware.

As you know, the Dev Team has been working on beta versions of RedSn0w that is also capable of jailbreaking iOS 4.2.1 untethered.

The more options, the merrier! Check inside for the sweet video details...

AT&T Sends Out SMS Message Urging Users to Update to iOS 4.2, Unlockers Beware

If you're rocking an unlocked phone, it would behoove you to stick to the tried and true suggestions from the Dev Team to stay away from official updates. AT&T has recently started sending out mass text messages urging customers to update to iOS 4.2.

Why would they do this? Since AT&T is already on the cusp of losing quite a few users to Verizon's iPhone once it is released, the company is in a frenzy trying to convince customers to stick with them...

Comex Waiting on Verizon iPhone for Next Untethered Jailbreak?

According to a recent tweet from well-known iPhone hacker Comex, the untethered jailbreak for iOS 4.2.1 might be released after the Verizon iPhone’s debut. In reply to a tweet asking if Comex would wait for iOS 4.3 to release his untethered jailbreak, Comex replied:

“I don’t know, I think I’m waiting for the Verizon iPhone.”

So far, the only untethered jailbreak method available for 4.2.1 is the iPhone Dev-Team’s redsn0w 0.9.7beta6 which is currently Mac only...