ultrasn0w

August 1, 2009 by dennis

Yesterday’s v3.0.1 iPhone firmware update (that’s not available for Apple’s iTouch devices) was indeed a security one; it patches the existing iPhone SMS vulnerability problem that was revealed at BlackHat 2009 conference earlier this week.

As such it’s recommended for everyone to upgrade ASAP, especially now that the details of this exploit are out in the open.

Luckily for users of jailbreaked / unlocked iPhones the existing versions of redsn0w jailbreak and ultrasn0w unlock programs can handle v3.0.1 firmware without any modifications.

The only thing that you’ll need to do differently is select v3.0 as the firmware that you’re trying to jailbreak with redsn0w (no specific option for v3.0.1 exists since redsn0w was around for quite a while now), the program will still be able to process v3.0.1 firmware.

As the iPhone Dev Team write:

Short version:

You can re-use redsn0w v0.8 we released a few weeks ago to jailbreak today’s 3.0.1 update. Just let iTunes update or restore you to official 3.0.1 then run redsn0w. The only “trick” is that when redsn0w asks you to identify the IPSW used, point it at the 3.0 IPSW instead of the 3.0.1 one. After the jailbreak, reinstall ultrasn0w 0.9 if you need the unlock.

More details:

The 3.0.1 release is a “branch” from 3.0 that occurs (code-wise) before all the 3.1 betas. The programs redsn0w needs to change for the jailbreak are identical when you compare the 3.0 and 3.0.1 versions. It seems pretty much the only changes Apple made were for the SMS bug, which affects programs that redsn0w doesn’t touch. That’s why you can re-use redsn0w 0.8 on 3.0.1 even though it was written for 3.0.

And since 3.0.1 doesn’t touch the baseband either, ultrasn0w 0.9 works for those needing the soft unlock. Just install it from the repo666.ultrasn0w.com repository using Cydia as usual.

We’ll at some point fix redsn0w to recognize both 3.0 and 3.0.1 IPSW’s, but really that’s the only change that would be made to it. Everything else would be identical, so there’s no need to wait for the “proper” version that recognizes the 3.0.1 IPSW as valid.

Tags: app, Apple, hack, iPhone, iTouch, jailbreak, Mac, News, OS, redsn0w, unlock

Article by dennis

Dennis Sloutsky is one of the oldest members of iPhoneWorld.ca, having co-started the site in January 2007. He stills owns an iPhone 2G and uses it sometimes just for fun. His hobbies include traveling, writing and playing his guitar.

http://www.webunlockiphone3gs.com/ Unlock iPhone 3GS

I unlocked my iphone not too long ago. I guess i will need to update it now though
iphonew

That's a pretty bright idea if you want to be protected.
cklife46

Can someone tell me where to find the 3.0.1 IPSW on my computer to jailbreak my iphone? very new to this.
iphonew

While the link was already provided in the post, here it is again: http://www.iphoneworld.ca/news/2009/08/01/downl...
cklife46

I have followed the instructions in the above post but when I point to the downloaded 3.0 firmware that I downloaded it does not find a ipsw file and I cannot go any further. I am using a PC vs a MAC is there a reason why when I download the firmware and extract it its not an ipsw file?
iphonew

You don't need to extract anything… you just download the .IPSW file, point Redsn0w to it, and that's all.
gooseman1005

You will have to download the file using Mozilla or Safari since Internet explorer will automatically rename .ipsw to .zip
iphonew

That's true, I totally forgot that. His solution is 100% accurate.
cklife46

Hi guys me again, so I am going through the entire process from start to finish and at the end when I click finish I have to reboot the phone myself. Once it reboots there is no cydia…. HELPPPPPPPPPPP please… I want to jailbreak my phone.
iphonew

Did you select the option to install it via redsn0w?
cklife46

Not sure where that option is, I checked the box for cydia if thats what youre asking but not sure about any others…can you suggest
iphonew

Right, so normally Cydia should'be been installed if you checkboxed it…. and still no sign of it on your springboard?
cklife46

Yeah the box is checked but still nothing on the springboard… Can you help?
iphonew

Try the whole thing from the beginning once more…. this time let it sit as long as it needs to without rebooting it normally.

If that doesn't work we'll see what can be done.
cklife46

Ok will try and let you know
cklife46

ok so i let it for over an hour and still had to manually reboot to get out of the waiting to reboot stage…and still no cydia….HELLLLLLLLLLLLLLLLLLPPPPPPPPPPPP
andreiamadeo

gud day. I started to jailbreak my iphone 3g v 3.0.1 with redsn0w 0.8, as it was trying to reboot in dfu mode, the redsn0w app crashed(redsn0w.exe has stopped working.)what happened here? i tried doing it all over again but the app still crashes.Actually i just restored the iphone to its factory setting because it became unstable after i tapped the icategories icon from cydia.(stupid of me from not knowing the dangers) i tried to use redsn0w 0.7.2 then identified IPSW iPhone1,2_3.0_7A341_Restore.ipsw( it wont recognized iPhone2,1_3.0_7A341_Restore.ipsw) it was doing ok after installing cydia. Another problem occurred when i downloaded a theme from cydia via winterboard, after checking the theme it suddenly hanged! I have to restore again and do the process of jailbreaking again. I'm getting frustrated with this phone.Can u pls help me .Thanks
Andrei
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Any idea how to hack into the 3.1 firmware? =/
Harlemknight

for some reason red sn0w 8.0 does not jailbreak 3.1 firmware…any assistance on that would make me one happy man.
pat3000

The simplest solution I have found was http://softunlock.com

It worked and it was free.
jason

How to unlock jailbreak?
mostafaemad

goood
mostafaemad

goood