The Chronic Dev-Team has released Greenpois0n, their utility for jailbreaking the iPhone, iPad, and iPod touch on iOS 4.1.

After much controversy, the tool has been updated to use the bootrom exploit found by Geohot.

Unfortunately, only a Windows version is currently available; however, a mac version and ipt2g support are coming soon.

You can download Greenpois0n from here.

Initially, this will be a Windows-only release. This is due to some technical complications that we soon hope to correct. We apologize for any inconvenience.

Thanks to geohot for the bootrom USB exploit. We have opted to use that instead of SHAtter for the sake of exploit presevation.

This release of greenpois0n supports:
- iPhone 4
- iPhone 3G S
- iPod touch (4th Generation)
- iPod touch (3rd Generation)
- iPad

Soon there will be another release, adding things like support for:
- Apple TV (2nd Generation)
- iPod touch (2nd Generation)

Notcom the creator of TinyUmbrella has finally cleared up a lot of misinterpretation regarding out of the box iphone’s with 4.0.2 firmware being able to downgrade. As you may know a lot of people are posting a how to guide on downgrading to 4.0.1 without shsh’s. Sorry to all but that is completely false.

Notcom explains it all on his blog and then some telling people what exactly is being done when doing this supposed firmware trick that lets you downgrade. More info after the break:

Below is what NotCom had to say about this whole situation:

There is much discussion on many blogs about a potential means of downgrading iOS 4.0.2 to 4.0.1 by simply changing a couple values in the buildmanifest.plist and copying all of the images from 4.0.1 into 4.0.2 and then deleting the files ending with 002. Following all of this, perform a DFU restore and somehow you will be on 4.0.1.

There is a perfectly logical explanation for all of this and I will lay out exactly what is happening and explain why it is working for the folks that are the lucky ones.

Let me get this out first.

1. This is not a miracle, at least not in the sense you all hope for
2. SHSHs are STILL required for any iPhone 4, iPhone 3GS, iPad, iPod Touch 3G, and iPod Touch 2G (MC Model)
3. There is NO way around this… unfortunately this method included.

Let me start by explaining something very important. The buildmanifest is used by iTunes to build much of the TSS request that is used to obtain your SHSH for any given firmware revision. Unfortunately, the BuildNumber has no part to play in the request for SHSH. All that you ended up doing in following these directions is request 4.0.1 SHSH blobs. THAT IS ALL. Since every single one of you that got this to work changed your hosts file to point to Cydia, Cydia responded to the TSS request with an SHSH blob that was ALREADY “on-file”. There was no magic. There was no miracle, apart from the lucky break that your device had been put on Cydia’s SHSH request list at some time in the distant past.

That’s it in a nutshell folks. There was no amazing technique for bypassing Apple’s TSS. There was no amazing exploit that exists in DFU mode allowing for 4.0.2 -> 4.0.1 downgrading. It’s simple; Cydia had your SHSH because at sometime in the past either:

• Someone saved your SHSH with that device using TinyUmbrella and the default options
• Someone restored that device with Cydia in the hosts pointing to gs.apple.com
• Someone jailbroke the device and pressed ‘Make my life easier’

That’s it folks. Sorry to be a buzzkill but there was much confusion about this issue and many blog posts that simply didn’t give the full story of what exactly was going on.

South Korea’s KT Corp received more than 130,000 pre-orders for the iPhone 4 in the first 13 hours of registration, according to the KoreaHerald.

The number of people applying for the new model sharply increased from 40,000 as of 8:55 a.m. to over 60,000 as of 9:45 a.m., KT officials said. It then reached 100,000 people as of 1 p.m., and 130,000 as of 7 p.m.

KT received so many orders that it crashed their servers. Pre-orders for the iPhone 3GS reached 14,500 on the first day and 65,000 in the first five days.
“We will make utmost efforts for the launch and delivery of the new model,” said Pyo Hyun-myung, president of the mobile business group at KT.

Read More [via AllThingsD]

Now that we have the iphone 4 jailbreak along with it being an untethered jailbreak for all other i-devices it is very important for yout to save your shsh blobs. A lot of new people in the jailbreak scene don’t know what those are and its ok you don’t need to just save them. If your not jailbroken I recommend saving your shsh’s anyway so that if you ever want to jailbreak you can. This is urgent right now it is rumored a firmware update is coming today!

Your probably wondering what is all this shsh stuff. Basically whenever Apple releases a new firmware update for i-devices it doesn’t allow you to downgrade to old firmware versions. If you update to a new firmware and there is no jailbreak for it your stuck without, unless you have your shsh’s save. With your shsh’s saved you can downgrade to the old firmware version that is jailbreakable. Enough talk here is how to save shsh’s so get them whether your jailbroken or not:

• Visit http://thefirmwareumbrella.blogspot.com/
• On right hand side choose and download either windows or osx program
• Open TinyUmbrella and you will get a screen like the one above, click save my shsh
• Your done now hang tight and DO NOT update your i-device when the new firmware drops.

via iphonespot

Frash for iphone has been updated to support the iPhone 4. Comex a well known hacker/dev in the jailbreak scene has updated frash which is his  port of Android’s 2.2 version of Flash 10.1, allowing it to run on Apple’s iOS. At this point frash is all in alpha testing, yes alpha meaning that it is not fully ready for public release and is still very early in development and is has bugs. Install this at your own risk I will not be held responsible if this causes your phone to act weird or at worst makes you have to restore. With that said lets install flash on our iphones:

• You must be jailbroken, if not go over to the jailbreak tab above and choose your device and see how to jailbreak.
• Open cydia tap on Manage>
• Sources>
• Edit>
• Add and type in http://theiphonespotrepo.net/apt
• After it loads, search frash and install. Reboot your i-device and enjoy flash on your i-device.
• You can also install frash sbsettings toggle so you can enable and disable frash easily using sbsettings.

Note: I’ve personally test this on iPad and iPhone 4. Whenever there is flash content on a website it has a flash box and you have to tap on it to enable the flash content. Not all flash content works, mainly all ads load ok, games and videos are a different story some work but very rarely and if they do it is choppy and laggy. I occasionally get an unexpected error when I tap on flash but that is why its still in alpha testing.

Apple confirmed Wednesday that it has developed a fix for the two security vulnerabilities that allow jailbreaking of their iOS software.

An Apple spokeswoman said in a statement, “We’re aware of this reported issue, we have already developed a fix and it will be available to customers in an upcoming software update.” No release date was given for the update.

Previously, Apple had announced it was “investigating” the issue.

iPhone Dev Team hacker “comex” was the first to exploit the security flaws, allowing users to jailbreak their iOS devices. Early users of the browser-based jailbreak exploit reported problems with FaceTime and MMS services, but the issues were quickly addressed by the iPhone Dev Team.

The vulnerabilities have attracted significant attention this week. Several security firms have issued notices labeling the vulnerabilities “critical.” A German government agency warned users Wednesday to avoid opening PDF files on their devices until a software fix is released.

This isn’t the first time the German government has expressed concern over security on the iPhone 4 and iOS. In June, a German official asked for clarification on Apple’s use of personal data collected from German iPhone 4 users, as reported by The New York Times. Sabine Leutheusser-Schnarrenberger, the justice minister for Germany, requested information from Apple outlining the kind of data collected and the reason for its collection.

Via

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From the first Ultrasn0w 1.0-1 screenshot it is clear that it can unlock

iPhone 4 Baseband 01.59.00 and

iPhone 3G/3GS 04.26.08(3.1.1), 05.11.07(3.1.2), 05.12.01(3.1.3) & 05.13.04 (iOS 4.0/4.0.1).

Meaning you will be able to unlock any firmware from 3.1.1 to 4.0.1.

It’s important that you save iPhone 3G/3GS & iPhone 4 4.0.1 SHSH Blobs, since JailbreakMe userland jailbreak will be blocked by Apple with new iOS update any time soon. Via Mobile-Geeks

Ultrasn0w 1.0-1 image was found in Hashim Sherif’s Photobucket album (deleted now).

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1. What is JailbreakMe 2.0?

This is the latest cross-device/firmware jailbreak by comex. It was released on Sunday, August 1 (like the previous jailbreak, carrying over the “Sunday is Funday” slogan many veteran jailbreakers and unlockers are familiar with.

2. How Does this Jailbreak Work?

All you have to do is visit http://jailbreakme.com on your iPhone, iPod touch or iPad, ‘Slide to Jailbreak’ and wait for the rest of the process to take place on your device.

If that link is not loading, please use ModMyi’s alternative link to jailbreak your device.

3. My Device Just Hangs at a Purple Screen. What do I do?

This will usually mean there was a problem connection to the server and whatever you’re attempting to do isn’t working properly. After sliding, a windows should appear and you should notice a process similar to the one in the images below. If your jailbreak does not appear similar to mine, then something had gone wrong. Reboot and attempt the jailbreak again.

Please note that this process may take a few minutes, so be patient. It should look a little something like this:

4. Something Went Wrong! What do I do?

Please post any bugs below in the comments section or email comex at: comexk@gmail.com with a detailed log or error report and provide him with visuals if possible.

5. Where’s the iPhone 4 Unlock?

Simply install unltrasn0w through Cydia like you did on older iPhone models and your iPhone 3G S and/or iPhone 4 should be unlocked.

6. My Device Needs to be Activated, so what do I do?

You’ll need to purchase an official SIM card for the carrier your iPhone is locked to or purchase a phonebook SIM online and activate it that way. A quick search on Google/eBay should turn up a few different phonebook SIM cards that work on any iPhone.

This jailbreak IS NOT a hacktivation tool, so you must activate it through iTunes first.

[http://claytonbraasch.blogspot.com]

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This post is going to tell you everything you need to know about jailbreaking your iphone 4 along with fixing any issues you may have and answering some basic questions.

FAQ:

Q: Is this jailbreak untethered??

A: Yes it will jailbreak all i-devices on the latest Apple firmware without it having to be tethered

Q: Will this Hacktivate my iphone and get it past the emergency screen?

A: No in order to use this jailbreak you must have an iphone that is already activated through itunes with a legit sim card.

Q: Will this unlock my iPhone for use on any carrier?

A: No this is just a jailbreak but after its done open cydia and after it loads search ultrasn0w. Install ultrasnow reboot your phone and enjoy your unlocked iphone 4.

Q: My facetime and mms disappeared after using this what do I do?

A: What you must do is just restore from a backup of your iphone before it was jailbroken. Steps are easy just do the following: Alternatively install the mms facetime fix from thespots repo.

Open itunes and right click on your device name and choose restore from backup. Choose any backup as long as its not one you made while jailbroken with the new jailbreak. Enjoy facetime and mms again.

Q: My iPad on 3.2.1 messed up after trying to jailbreak it using jailbreakme.com what do I do?

A: Restore your ipad and wait to jailbreak it as it is a problem with the jailbreak only for this specific firmware on ipad.

Any more questions comment here and ill update the list.

via [iphonesport]

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There are numerous reports on FaceTime / MMS issues on iPhone 4 after jailbreaking with JailbreakMe 2.0 “Star”. After jailbreaking iPhone 4 with JailbreakMe 2.0, FaceTime and MMS stopped working for some users. Within a few hours, we have a fix for MMS / FaceTime problem, thanks to Comex and the Dev-Team.

If you jailbreak your iPhone now using JailbreakMe 2.0 it should work fine because the issue has been addressed in the Jailbreak as well.

However if you have already jailbroken iPhone before the issue was fixed, then there are two ways to fix the issue:

Install Base Structure Update from Cydia
Open the Cydia.
Go to changes tab and hit refresh.
There you’ll find an update available for Base Structure. Install it. Done!

Restore Firmware and re-Jailbreak
Restore the firmware then re-jailbreak iPhone with JailbreakMe 2.0

NOTE: re-jailbreaking without restoring firmware does NOT fix the FaceTime/MMS.