SHAtter Also Patched in iPad 2, Confirms iPhone Dev Team

Well some more bad news for early adaptors of iPad 2 who wants to jailbreak their shiny new device. After the confirmation of Limera1n being patched in iPad 2’s bootrom, MuscleNerd of iPhone Dev Team has now confirmed that early testing of SHAtter shows that it has also been patched by Apple in iPad 2.

MuscleNerd: iPad2 bootrom version iBoot-838.3 means it was compiled March’10. Seems geohot guessed right: limera1n was already closed

MuscleNerd: Early testing also seems to show at least one thing SHAtter depends on was gone by March 2010 too

MuscleNerd: This means any early iPad2 jailbreaks will have to be purely userland

In case you don’t already know, all the current jailbreak tools are using Geohot’s bootrom based Limera1n exploit to jailbreak iOS based devices on the latest firmware. Since Limera1n exploit exists in the hardware, only a hardware revision from Apple could have patched it. Geohot released Limera1n back in October last year and forced the Chronic Dev Team to save their SHAtter exploit to jailbreak future devices such as the iPad 2.

But unfortunately, Apple had already patched both the exploits back in March 2010, long before they were found by Geohot (Limera1n) and Chronic Dev Team (SHAtter).

So what now? Bootrom based exploits have more life, but they are harder to find as they exist in the hardware. Geohot has been known for finding such exploits but since he is now busy in Sony-PS3 lawsuit, someone like pod2g (who found SHAtter and kernel based untethered exploit for GreenPois0n RC5) will have to come up with a new exploit which will obviously going to take some time. And even if he finds one, I doubt he is gonna release it since iPhone 5 launch is just around the corner (summer 2011).

So now we will have to wait for someone like Comex, who specializes in userland-based jailbreaks, to do their magic and bring yet another JailbreakMe like tool to jailbreak iOS 4.3 firmware on the iPad 2.

As always, we will keep you updated ! Stay tuned for more!

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Redsn0w 0.9.7b6: Download Available & Fixes Skype Issues

Few minutes (not hours) ago the iPhone Dev Team released another update for Redsn0w 0.9.7 to fix Skype issues on iOS device. Redsn0w 0.9.7b6 is available for Mac OS X users only and in next version, the target will be adding iOS 4.1 monte so you don't need to pirate iOS 4.2b3 to allow untethered jailbreak on iOS 4.2.1.

The sixth beta is now available (testers ONLY please!). This version fixes Skype. Please do not pirate the 4.2b3 IPSW! Only those enrolled in the iPhone Developer program have legitimate access to that IPSW using these links (http://pastie.org/1403214) (the links won’t work unless you’re a legit developer currently logged in).

Unlike the last few betas, you can freely run beta6 over beta5 without a problem (but for testing purposes, we’d really like people to try both ways….from stock, and from already jailbroken).

Now that the sandbox, Bluetooth, and Skype issues are fixed, our next priority is porting Monte back to 4.1. We’ll also try to make the Windows version less painfully slow.
To use Redsn0w 0.9.7b5, use our guide posted here while removing STEP 4 since it doesn't required usbmuxd anymore.

Download Redsn0w 0.9.7b6 for Mac HERE.
Download iOS 4.2.1 for iPhone 4, 3GS, 3G, iPad, iPod touch HERE.
Download iTunes 10.1.1 for Mac and Windows HERE.

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GreenPois0n will Bring Untethered Jailbreak for iOS 4.2.1 !

While the iPhone Dev Team is working hard to bring untethered Redsn0w 0.9.7 jailbreak, Chronic Dev Team member Joshua Hill behind GreenPois0n jailbreak tool has just posted on his Twitter account that he'll bring untethered jailbreak for iOS 4.2.1 by the next GreenPois0n version.

p0sixninja: A lot of people are saying another tethered jailbreak is pointless, I agree. Focusing on getting untethered before release

More interesting news that this won't require SHHS blobs for 4.2b3 unlike the iPhone Dev Team's
Redsn0w 0.9.7, according to a reply for someone asking if it is based
on the same exploit Comex working on, and whether or not it will
require SHSH blobs for 4.2b3 unlike Redsn0w 0.9.7.
There's no ETA yet but we'll come back with more updates ! [Source: Twitter]

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iPhone Dev-Team Updates RedSn0w to Fix Bluetooth Issues With Untether

The iPhone Dev-Team has updated RedSn0w to fix Bluetooth issues with the 'Backup Plan' untether.

The fifth beta is now available (testers ONLY please!). Bluetooth is now working (and any sandbox-related issues should be resolved too). Please do not pirate the 4.2b3 IPSW! Only those enrolled in the iPhone Developer program have legitimate access to that IPSW.

There is actually a Windows version of beta5, but it’s excruciatingly slow compared to the Mac version because it’s forced to use files on your hard drive instead of RAM while it’s processing the very large IPSW images. It really is very very painfully slow, so we probably won’t be releasing it for testing purposes unless it can be sped up somehow.

You can download RedSn0w .0.7b5 from HERE.
You can find how to use this version of RedSn0w to untether HERE.
You can read more HERE.

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Redsn0w 0.9.7 Untethered Jailbreak for iOS 4.2.1 Released ! Here’s How To Do It Step By Step

As promised, the iPhone Dev Team has released the necessary jailbreak tools which can untether the latest iOS 4.2.1 jailbreak on iPhone 4, iPod touch 4G, and iPad. Old-generation iOS devices already have untethered jailbreak on iOS 4.2.1.

For those who don't know, Apple has already patched the untethered patch in iOS 4.2.1 update so it becomes tethered jailbreak on new-generation devices mentioned above. Being tethered jailbroken means that once your iPhone is successfully jailbroken, you'll need to connect your iPhone to your computer if you ever need to reboot your iPhone or your iPhone loses battery charge. The updates Redsn0w 0.9.7b1 brings untethered jailbreak for those devices on iOS 4.2.1.
Below is the full step-by-step guide to jailbreak your iOS device using Redsn0w 0.9.7b1 and get untethered jailbreak immediately. 

STEP 1: First of all, you have to jailbreak your iOS 4.2.1 device using Redsn0w by following the step by step instructions posted here.

STEP 2: Once jailbroken, tap on Cydia and check if your 4.2b3 SHSH blobs saved or not. You should see "SHSH: 4.2b3" in the status as shown in the screenshot below:

STEP 3: Now download Redsn0w 0.9.7b1 from the links given below and connect your iPhone, iPod touch or iPad.

STEP 4: Since this is a beta release, you must have usbmuxd that can be download from here. Now start terminal in python-client directory then type in the following commands:

chmod +x tcprelay.py

./tcprelay.py -t 22:2222

STEP 5: Now start Redsn0w 0.9.7b1 and point it to the official iOS 4.2.1 .IPSW file.

STEP 6: In the next page, check on Jailbreak Monte which untethers your iOS 4.2.1 jailbreak then point it to iOS 4.2 beta 3 firmware (Google it if you don't have a developer account).

STEP 7: Final step is to put your iOS device in DFU Mode using Redsn0w instructions on the screen.

Finally, sit back and let Redsn0w go in bunch of steps and you'll finally get untethered jailbreak on your new-generation iOS device.

Please note that this is a beta release, and upcoming versions will bring support for Windows users and will have built-in usbmuxd for easy process.

Download Redsn0w 0.9.7b1 for Mac OS X
Download iOS 4.2.1 for iPhone, iPad and iPod touch
Download iTunes 10.1.1 for Windows / Mac OS X
Thanks: coveringweb.com

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Untethered 4.2.1 Jailbreak VIDEO -- Unlock Follows when Ready!!

Hello world.. to everyone who is asking about the unlock, I'm just here to inform you that the work is concentrated on the untethered iOS 4.2.1 jailbreak to be ready as soon as possible. below is a video demo by Sherif Hashim (baseband unlocker) for untethered jailbreak on iOS 4.2.1...

Wanna unlock for iPhone 4? Sherif says it will follow the untethered jailbreak = it's almost ready and let the count down begin.. IN LESS THAN 10 DAYS.. DON'T forget to tweet, share and like the post with your friends. spread the word !

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Dev-Team Confirms Untethered iOS 4.2.1 for iPhone 4 For Release on Christmas

Just two weeks ago, Comex, the developer behind JailbreakMe and Spirit jailbreak tools has confirmed the arrival of userland untethered jailbreak for iOS 4.2.1 to be released on Christmas.

Today, MuscleNerd of the iPhone Dev Team has confirmed the same. In a deleted tweet spotted by RedmondPie claims that a untethered jailbreak solution for iOS 4.2.1 is indeed in works, and that it will be ready for prime-time use somewhere around Christmas.

scotty6kids78: @MuscleNerd are we any closer to the unteathered #jailbreak for the new #ios4.2 on #iphone4 ?

MuscleNerd: @scotty6kids78 it’ll be here by Xmas (not because we’re sitting waiting for Xmas, but because it’s achievable deadline)

We still don't know how reality is this tweet but it seems real. We'll keep you updated as more comes ! [via Redmond Pie]

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Downgrade 06.15.00 Baseband iPhone 3GS / 3G on iOS 4.2.1 After Ultrasn0w 1.2 Soon

Here's a bit of good news for who suffered from the new unlockable baseband 6.15.00 on iPhone 3GS and 3G. Most of the unlockers who unlocked their devices with ultrasn0w 1.2 can't restore to any stock firmware above 4.1, it only can be restored to a custom firmware, moreover, ultrasn0w 1.2 caused a loss of GPS. Let's check out the new progress regarding downgrade 06.15.00 baseband.

Lezanz: what about GPS issue? Any progress?

Musclenerd: sorry still collecting data on that. But also working on a bb downgrade (!) method for those with unlockable bb

MuscleNerd has confirmed in a tweet that he is working on a new method to downgrade baseband 6.15.00 to lower versions, which will be unlockable and to fix the GPS issue. Till now we didn't catch more details, but of course will let you know once we catch more, stay tuned.

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Untethered iOS 4.2.1 Jailbreak on All Devices Achieved [VIDEO]

As most of you know, comex is currently working on an untethered solution for jailbreaking iOS 4.2.1, but today, the iPhone Dev Team has unveiled one of the many their plans! They got up their sleeves with a backup plan for an untethered iOS 4.2.1 jailbreak for all devices.

As they have mentioned, this is not a new exploit, it’s a ‘backup plan’ as comex is working on a more extensible one, but this method is also generalizable. The method only works if you have already saved SHSH blobs of your iOS device. Anyway, take a look at the video demo below and stay tuned as more updates come!

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Download Redsn0w 0.9.6b6 to Activate iPhone 3GS / 3G and Fix Battery Drain after Ultrasn0w 1.2

iPhone Dev-Team has just released redsn0w 0.9.6b6 (Windows and Mac) to jailbreak iOS 4.2.1 on iPhone 3GS/3G and update their basebands to iPad baseband 6.15.00, as most of you know that redsn0w 0.9.6b5 did that, but the new version of redsn0w 0.9.6b6 brings activation without hacktivating, or using original SIM card and increases battery life substantially, as we reported earlier, it was the most prevalent problem after unlocking iPhone 3GS/3G with ultrasn0w 1.2

Developer @sbingner (author of TetherMe) has made some excellent progress devising a new hactivation method that kills two birds with one stone for all you ultrasn0w unlockers.  His tool, “Subscriber Artificial Module (SAM)” tricks your iPhone and iTunes into creating legitimate activation tickets even though you’re unlocked with ultrasn0w.  This means you get the full benefit of push applications, and your battery life increases substantially.  If you’d like to try it out, check out http://www.bingner.com/SAM.html

To help make it easier to try out @sbingner’s tool, we’ve updated redsn0w to include a new “Deactivate” option for the 3G and 3GS.  Use this option *after* you’ve installed SAM…it will remove the normal patches made to lockdownd and let SAM take over.  (sbingner plans on making a button to do this within SAMPrefs too).  Great work, @sbingner!

Thanks @sbingner for the hard work, as usual we will prepare the full step by step guide, showing you how to use SAM and the newly redsn0w 0.9.6b6. Stay tuned.

UPDATE: Here is the step by step guide showing how to Activate iPhone 4, 3GS, 3G Without Original SIM or Hacktivation with SAM & Redsn0w 0.9.6b6 Click Here.

Download Redsn0w 0.9.6b6 for Windows
Download Redsn0w 0.9.6b6 for Mac

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HOW TO: Fix iPhone 3GS / 3G Battery Drain Problem & Over Heat After Unlocking With Ultrasn0w 1.2

The newly released ultrasn0w 1.2 which unlocked the iPhone 3GS/3G running iOS 4.2.1 by flashing the iPad baseband 06.15.00 using Redsn0w 0.9.6b5 or PwnageTool 4.1.3, has caused two major issues for many iPhone 3GS/3G users, ultrasn0w 1.2 has led to aggressive battery drainage, in addition, iPhone becoming excessively hot. Sherif Hashim, one of the hackers behind ultrasn0w has addressed these issues, let's check out them after the jump.

Here's Hashim justifying these issues

i hope those of u with 3g/3gs are enjoying their updated unlocked devices, all props to @MuscleNerd & co. for making this possible :) , hopefully the iphone 4 on 2.10.04 and 3.10.01 follows within a good time table.

on a very important side note, before anyone starts to complain about battery drainage issues after installing the new ultrasn0w on the 6.15.00 updated BB, the culprit here is not ultrasn0w, it's the hacktivation process (activating the phone by pwnage tool or redsn0w rather than using an official carrier sim to do so) that u mostly did while jailbreaking.

The 4.1 and 4.2.1 ipsws unlike their old ancestors, seem to keep looking for valid push certificates all the time, either thru your wifi, or thru your cellular data network (which u only have after installing ultrasn0w and hence u accuse it) , this can be seen clearly if u have a cellular working data plan for 3g or edge and u watched the settings > general > usage > cellular network data (sent & received are continuously increasing even without using any internet traffics on the phone) , this will also render the phone going hot even in stand by mode and also very rapid battery drainage occurs plus consuming ur data if you were not on an unlimited plan.

How can you fix these problems:

so to resolve this, u either:
A) 1st Solution: try to activate the phone using the official sim if u have it (even if the sim itself is old and not working) , or borrow it from a friend if it's possible, by any means, try to have an access to one and use it

B) 2nd Solution: if A is not feasible, u can install SBsettings from featured cydia packages and turn wifi and data off when u r not using it (shuts down both 3g and edge) , till C is done

C) 3rd Solution: there is a very nice module being worked on by a trusted jailbreak app dev, namely @sbingner , which ll resolve that issue for those having it, the details of which shouldn't be disclosed until he finishes his awesome work, till then, either use A or B to resolve the issue if it exists for you

In case you're one of those who suffering from the above mentioned problems after unlocking their devices with ultrasn0w 1.2, you have to try the above solutions as they will handle the situation, but don't forget to feed us back with your results on the comments section.

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HOW TO: Update / Unlock iPhone 3GS / 3G Baseband 06.15.00 with Redsn0w 0.9.6b5 on iOS 4.2.1 / 4.1 [Windows & Mac]

Well, here's the iPhone Dev-Team has just released redsn0w 0.9.6b5 to jailbreak iPhone 3GS and 3G on iOS 4.2.1 and update baseband to 06.15.00 which can be unlocked with the newly released ultrasn0w 1.2, the redsn0w 0.9.6b5 is available for both windows and mac users.

The new redsn0w 0.9.6beta5 is out. It gives both Windows and OSX users the ability to flash the iPad 06.15 baseband on iPhone3G or iPhone3GS. It fetches the baseband files directly from Apple for now (the only IPSW you ever point it at is the stock IPSW for the FW on your iPhone right now). There may be a long delay while it’s doing this (their servers are currently getting pounded).

WARNING — YOU DO THIS AT YOUR OWN RISK!  PLEASE UNDERSTAND THE CONSEQUENCES OF UPDATING TO 06.15.

1. There is no way to come back down from 06.15, and there’s no hiding the baseband version from Apple. You’ll be voiding your warranty in a very obvious way.
2. If some future baseband comes out with a critical fix, you won’t be able to update to it if it remains down in the 05.xx sequence (then again, you wouldn’t update to it if you wanted to keep your unlock anyway).
3. Starting with FW 4.2.1 if you have 06.15 on your iPhone you won’t ever be able to restore to stock firmware (it will fail).  You’ll need to only restore to custom IPSWs (then again, if you’re unlocker you should already be doing that).

For whom is this Guide:
This version of redsn0w 0.9.6b5 is developed ONLY for iPhone 3GS and 3G users who rely on unlock. Precisely,  This guide showing how to jailbreak and update baseband to 06.15.00 for ONLY iPhone 3GS and 3G who have unlocked devices.

Unsupported devices, what have to do:
iPhone 4 and 3GS users who don't rely on unlock, you can follow the same guide but with redsn0w 0.9.6b4 to jailbreak their devices on iOS 4.2.1, see guide Posted Here.

Here's the step by step guide:

STEP 1: Download redsn0w 0.9.6b5,  iOS 4.2.1 for your device(download links at the end).

STEP 2: Update to 4.2.1 firmware using the IPSW file you just downloaded via iTunes 10.1.

STEP 3: Launch Redsn0w 0.9.6b5,  and browse for iOS 4.2.1 firmware final version.

STEP 4: Now you have to select "Install Cydia" and "Install iPad baseband", and then click "Next" (in this step redsn0w will update your baseband to 06.15.00 which works with ultrasn0w 1.2)

STEP 5: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

STEP 6: At this stage you will need to put your iPhone in DFU mode by holding “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.

 

STEP 7: You will Get a Jailbroken Device on the latest iOS 4.2.1  and the unlockable baseband 06.15.00

STEP 8: This step is only for these devices iPhone 4, 3GS (New Bootrom), iPod touch 4G,  3G, 2G, iPad. While this is tethered jailbreak and whenever you want to do anything related to jailbreak like SSH your device, or running Cydia, you must first run your device in the so called “jailbroken state” on every reboot by using “Just boot tethered right now” option.

How to unlock iPhone 3GS / 3G on iOS 4.2.1 / 4.1 using ultrasn0w 1.2 :
This is the final step to get your device unlocked on iOS 4.2.1 / 4.1 with the newly release ultrasn0w 1.2, follow our full step by step guide Posted Here.

Download iOS 4.2.1 for iPhone, iPod touch and iPad
Download Redsn0w 0.9.6b5 for Windows
Download Redsn0w 0.9.6b5 for Mac
Download iTunes 10.1 for Windows or Mac

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Ultrasn0w to Unlock iPhone 3GS / 3G on iOS 4.2.1 Completed

Few moments ago, Musclenerd has confirmed that the ultrasn0w to unlock iPhone 3GS and iPhone 3G finally got working fully on 4.2.1, so it looks that everything over there going alright, everything on schedule, which means that we will catch new version of ultrasn0w tomorrow as we mentioned before.

Musclenerd: Finally got ultrasn0w working fully on 4.2.1. Apple inadvertently(!) broke ultrasn0w via aggressive compiler optimization

Till know there's no news about iPhone 4 baseband unlock. For now we let you know immediately after the release of the new ultrasn0w, stay tuned.

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White Cydia Icon and Safari Crashing When Using Redsn0w 0.9.6b4 to Jailbreak iOS 4.2.1?

After releasing iOS 4.2.1, the dev-team updated redsn0w to version 0.9.6b4 to jailbreak iPhone 4, 3GS, 3G, iPod touch 4G, 3G, 2G and iPad, I received many comments complaining about white Cydia icon and Safari crashing after jailbreaking their devices.

Therefore, dev-team has sent a new blog post update while the concept of a “tethered” jailbreak is pretty new to many people, let's check out this:

The notion of a “tethered” jailbreak is pretty new to many people, so here’s a quick rundown on what to expect:

1. If you’re on an iPhone3G, old-bootrom iPhone3GS, or non-MC ipt2g, life is easy. redsn0w installed an untethered jailbreak and so nothing below applies.
2. “Tethered” does not mean you cannot boot at all without PC/Mac assistance. If you have not installed any tweaks that hook into important programs like SpringBoard or CommCenter, your device will actually boot. However, jailbreak programs like Cydia won’t work (and Cydia may still have a white icon). Also, certain built-in apps that had to be moved by Cydia will fail (Safari being the most noticeable example).
3. If you’ve installed MobileSubstrate tweaks that hook into SpringBoard or other important programs, your boot will actually fail (you’ll get stuck at the Apple logo). You need to use redsn0w to “Just boot tethered right now”.

Remember, @comex and others are working on a way to untether the 4.2.1 jailbreak. Meanwhile, the above 3 points hopefully will make it all seem less confusing :)

You can avoid the reasons above to enjoy a jailbreak free of bugs (i.e. White Cydia Icon and/or Safari Crashing), but I highly recommend to wait for the comex untethered jailbreak on 4.2.1 which expected to be very professional (still no ETA). Let me know if you still facing these bugs or not via the comment section, stay tuned.

You may also like:

• HOW TO: Jailbreak iOS 4.2.1 iPhone 4, 3gs, 3g, iPad, iPodTouch with Redsn0w 0.9.6b4
• [WARNING] Apple Has Put a Baseband Requirement on iOS 4.2.1
• iOS 4.3 to Launch in December 13?

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HOW TO: Jailbreak iOS 4.2.1 iPhone 4, 3gs, 3g, iPad, iPodTouch with Redsn0w 0.9.6b4

Few moment ago we broke the news about the release of Redsn0w 0.9.6b4 to jailbreak iOS 4.2.1 on iPhone 4, 3GS, 3G, iPod touch 4G, 3G and iPad with working MobileSubstrate, as we told you earlier that redsn0w 0.9.6b4  is based on GeoHot’s limera1n bootrom exploit.

The bad new is that right now, the redsn0w 0.9.6b4 is a tethered or semi-tethered jailbreak for some devices (i.e. you will lose your jailbreak every time you reboot your iDevice, so you have to follow the following steps every reboot to have a jailbroken device )

Untethered Devices:

• iPhone 3GS (old bootrom)
• iPhone 3
• iPod touch 2G (Non-MC Model)

Tethered Devices:

• iPhone 3GS (new bootrom)
• iPhone 4
• iPad
• iPod touch 2G (MC Model)
• iPod touch 3G
• iPod touch 4G

NOTE: Those of you who rely on a carrier unlock stay away from Redsn0w and iOS 4.2.1.

GUIDE:

STEP 1: Download redsn0w 0.9.6b4,  iOS 4.2.1 for your device(download links at the end).

STEP 2: Update to 4.2.1 firmware using the IPSW file you just downloaded via iTunes 10.1.

STEP 3: Launch Redsn0w 0.9.6b4,  and browse for iOS 4.2.1 firmware final version 

STEP 4: Select "Install Cydia" and click on "Next"

STEP 5: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

STEP 6: At this stage you will need to put your iPhone in DFU mode by holding “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.

STEP 7: You will Get a Jailbroken Device on the latest iOS 4.2.1  as soon as the process ends.

STEP 8: This step is only for these devices iPhone 4, 3GS (New Bootrom), iPod touch 4G,  3G, 2G, iPad. While this is tethered jailbreak and whenever you want to do anything related to jailbreak like SSH your device, or running Cydia, you must first run your device in the so called “jailbroken state” on every reboot by using “Just boot tethered right now” option.

Download iOS 4.2.1 (Final version) for your device version.
Download Redsn0w 0.9.6b4 for Windows and Mac
Download iTunes 10.1 for Windows or Mac

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Download Redsn0w 0.9.6b4 to Jailbreak iOS 4.2.1

As we expected, the dev-team has just sent a new blog post update announcing the release of Redsn0w 0.9.6b4 to jailbreak the newly released iOS 4.2.1 on iPhone, iPod touch and iPad, for who don't know, Redsn0w 0.9.6 b4 is based on GeoHot’s limera1n bootrom exploit.

redsn0w version 0.9.6b4 is now available for your 4.2.1 jailbreaking pleasure. Please read all the above to understand what this jailbreak currently entails.

As usual we will prepare the full how to guide to jailbreak all iDevices on iOS 4.2.1, for now you can check the full details about i|OS 4.2.1 jailbreak and unlock in this post.

Update 1: As we promised, you can go and check out our guide to jailbreak all iOS devices on iOS 4.2.1 using Redsn0w 0.9.6b4  posted here.

Download redsn0w jailbreak for iOS 4.2.1 on iPhone, iPod touch and iPad [Windows and Mac]

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New Details on iOS 4.2.1 Jailbreak and Unlock

The iPhone Dev Team has just posted a new blog post informing the status of unlock and jailbreak of the newly released iOS 4.2.1. The post starts by warning unlockers to stay away from iOS 4.2.1 until they release new tools to creat custom .IPSW firmwares that don't update your baseband.

However, jailbreak for older devices on iOS 4.2.1 shouldn’t be a problem at all as the post states:

The best news of all is for owners of iPhone3G, older iPhone3GS, and non-MC iPod touch 2G. Due to a combination of our original pwnage2 exploit, the arm7_go exploit, 24kpwn, and limera1n, your device is “just as jailbreakable as ever.” You reap the full benefit of an untethered 4.2.1 jailbreak.

For newer devices as iPhone 4, iPhone 3GS, iPod touch 4G, iPod touch 3G and iPad will have to wait longer for untethered jailbreak

Next are the owners of all the more recent devices. The good news there is that due to geohot’s limera1n exploit, all recent devices can be jailbroken (this will be true until Apple released new hardware that fixes geohot’s limerain exploit in the bootrom). The bad news is that right now, the 4.2.1 jailbreak is *tethered* on all of these recent devices.

Here comes the good news for iPhone 3GS and iPhone 3G who rely on unlock, the iPhone Dev Team has announced that the unlock is ready and will be uploaded to the repo once the new version of Redsn0w is out, this will happen something this week:

ultrasn0w unlock: After redsn0w is officially released with the new Cydia and kernel patches, we’ll be able to assess the unlock situation. It’s already looking very promising though, so expect the unlock for the 3G and 3GS to be coming this week. The i4 unlock is taking more effort though, and no further concrete info is available about that yet.

To sum up what've been said above, you'll all get a semi-tethered jailbreak probably tonight with patched Cydia and MobileSubstrate. For unlockers, only iPhone 3G and iPhone 3GS users will get the unlock this week, iPhone 4 users will have to wait a bit longer. We’ll keep you posted about jailbreak and unlock for iOS 4.2.1 but hopefully, we’ll be able to tweak our iPad folders and settings soon with some exciting tweaks.

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HOW TO: Install Cydia Tweaks & Apps using Redsn0w 0.9.6b3

Earlier today we posted that iPhone Dev Team has released Redsn0w 0.9.6b3 with OpenSSH and APT patches which is really useful for app developers who wants to try their Cydia tweaks and jailbreak apps on iOS 4.2.1.

As you know, Cydia is still broken on iOS 4.2.1 and the new version is not out yet but with the latest version of Redsn0w, you can install jailbreak apps without Cydia installed on your iOS device. Your jailbreak-app package must be in gzip-compressed tar format that Redsn0w can read and also it must be around 15MB in size. The iPhone Dev Team already released OpenSSH package can be download from here which is used to install OpenSSH using the instructions below.

STEP 1: Download Redsn0w 0.9.6b3 (Windows - Mac OS X).

STEP 2: Your device must be on iOS 4.2.1, and you have to save .IPSW firmware of iOS 4.2.1 on your desktop (helpful link).

STEP 3: Once you download Redsn0w, launch it and click Browse then select the suitable iOS 4.2.1 .IPSW file for your iOS device so RedSn0w can recognize it.

STEP 4: In this new page, mark on “Install Custom Bundle” & “Just boot tethered right now” options. Then select the package you want to install as shown in the screenshots below:

STEP 5: After few minutes, the tool will recognize the package then click on Next and you will be guided to put your iOS device in DFU mode.

STEP 6: Once your device in DFU mode, it will reboot with SSH package installed. Now use Cyberduck (Mac OS X) or WinSCP (Windows) to SHH into your device.

From now on, you will need to boot using Redsn0w whenever your device is rebooted until comex make iOS 4.2.x jailbreak untethered. So, whenever you want to SSH into your device, you must first run your device in the “jailbroken state” on every reboot by using “Just boot tethered right now” option in Redsn0w. We'll be happy to answer your questions. [via iPhoneItalia]

UPDATE 1: Here's how to install Cydia on jailbroken iOS 4.2.1 devices via SSH enabled devices, check full guide posted here.

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New Details of iOS 4.2 Jailbreak & Unlock

Just a quick little heads up! iPhone Dev Team has just posted new details about the new iOS 4.2 untethered jailbreak and also they talked about baseband 05.14.02 and 02.10.04 unlock. iOS 4.2 will be released on Friday to bring lots of new features, so the Dev Team promises with lots of things that will satisfy our readers!

By all accounts, we’re within a few days of Apple’s official public release of Firmware 4.2. Here’s what you need to know:
- Thanks to geohot’s limera1n exploit, and our original pwnage2 exploit, and pod2g’s ipod2g-MC exploit, absolutely all devices at all iOS devices at all
- The untethered jailbreak of the very latest FWs and devices depends on @comex hacks. His hacks so far extend only to 4.1 and 4.2beta3. He’s working on a way to extend it to 4.2 and beyond. Just wait for him to work out his method.
- iPhone 3G and 3GS unlockers will be covered by our upcoming unlock. Stay away from any updates to Apple FW until our official release and you’ll be okay. Just stay away from all Apple IPSWs :)
- iPhone4 unlockers are not left out in the cold. @sherif_hashim has found some very promising avenues to pursue. Those will be explored as soon as possible after all the 4.2 madness.

What does this mean to you?
- If you’re an unlocker, just stay where you are. Please, just stay where you are. Any mistakes you make now may be permanent.
- If you only care about the jailbreak, feel free to experiment but keep in mind that any mistake you make may result in you losing pictures or notes or bookmarks that you’d rather keep. Honestly unless you love living on the bleeding edge, it’s better to just wait for official updates from Cydia/redsn0w/PwnageTool.
- Don’t buy or donate to any unlock or jailbreak scammers. Every legitimate solution you will find for unlocks or jailbreaks will be offered without an extended hand. That’s how this community works. It’s about freedom, not donations.

Better explanation? iPhone hacker comex could make untethered jailbreak until iOS 4.2 beta 3 (that's why you see it's SHSH in Cydia) and is working on extending it to final iOS 4.2. iPhone 3G and iPhone 3GS will get Ultrasn0w unlock once iOS 4.2 is released while iPhone 4 will get it a bit more but as soon as possible ! So, stay tuned for some good news here !

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No PwnageTool for Windows

There are some unpleasant news, yesterday MuscleNerd the well-known iPhone hacker spread the pleasant news around the imminent release of PwnageTool for Windows to jailbreak all iOS devices on iOS 4.1 from Chpwn, as you know PwnageTool has never been release for Windows, it's only available for Mac OS X , but now Chpwn has just confirmed that there will not be a PwnageTool for Windows.

Here is what Chpwn said for some users:

2013btuttle1: @chpwn is there an ETA on win pt? I've been waiting... Haha

Chpwn: @2013btuttle1 I don't think it is needed at all. Use limerain greenpoison redsn0w -- all good options.

sheikhali: @chpwn Can we expect PT for Win to go live by the end of this week?

Chpwn: @sheikhali No, there is no need for PwnageTool on ANY platform.

So don't wait for the PwnageTool for Windows, this will be a good news for Sn0wbreeze developers and bad for unlockers as PwnageTool can jailbreak their devices with a custom firmware which mainly preserve the unlockable baseband. You can jailbreak your device using the existing jailbreak tools for all iOS devices on all iOSs in this post.

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