Been having trouble unlocking your iPhone 3G with yellowsn0w? Follow this guide!

Note: This IS beta software, there is no guarantee this will work. Use at your own risk!

First is first, Jailbreak your iPhone (If your iPhone is already jailbroken you may skip steps 1-7)

1. Install firmware 2.2 if you didn’t already (Download it from our iPhone Downloads section: Here
2. Download QuickPwn to jailbreak your iPhone 3G (Again, download it from our iPhone Downloads : Here for Mac
   Here for Windows
3. Pick the desired device, the iPhone 3G of course

Click Images to Enlarge

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Update: If you have success or failure on unlocking your iPhone 3G with yellowsn0w, report it to the iPhone Dev Team at report.yellowsn0w.com - Here

Finally! After months of waiting for an iPhone 3G Unlock it’s finally here. Yellowsn0w is available for Installer and Cydia. Yellowsn0w is exclusive for the 2.28.00 baseband. (The baseband provided with the firmware version 2.2 from Apple)

From iPhone Dev Team’s Blog:

BASICS

• The unlock works exclusively with baseband 02.28.00. This baseband is provided by the latest firmware update (2.2) from Apple. You’ll need to upgrade to this release using iTunes and then use QuickPwn to activate etc. There are plenty of tutorials about this on iclarified, bigboss, and other established tutorial sites. Because it works on 02.28.00, it is available to everyone on the planet. This means we don’t need to unnecessarily expose holes in earlier basebands, which is an important concern.
• The application is a small daemon that is launched on boot. It injects the payload at boot and also whenever there is a baseband reset. You won’t notice anything about it other than that your third-party sim now works. It’s a small program and unobtrusive. There is no GUI (this is by design).
• You can add the application using the sources outlined below (coming soon). There are Cydia and Installer sources available, so use whichever you are comfortable using.
• yellowsn0w is completely removable through Cydia, the command line, and iTunes.

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Update #2: The 3G unlock video is live

Direct link to yellowsn0w demo on Qik

We’ll keep you updated!

Today, iPhone Dev Team announced their iPhone 3G unlock, codenamed “yellowsn0w.” It’s completed and being packaged into a user-friendly application with the simplicity of Quickpwn. Yeah, you heard right. The dev team is targeting for a release date in New Year’s Eve 2008. This unlock is available to iPhone 3Gs with the 2.11.07 baseband or earlier, You were warned not to update. Your iPhone 3G will also require to be jailbroken.

We have been working hard on a few other things. The main one being the 3G unlock codenamed “yellowsn0w”. This is now completed and is currently being packaged into a user-friendly application with the simplicity that you see in QuickPwn or BootNeuter.

• The target release date for the unlock is New Year’s Eve 2008.
• This unlock method is available to iPhone 3Gs that have 2.11.07 baseband or earlier, we did warn you.
• The unlock requires a jailbroken 3G iPhone.

In addition, Apple pushed an update to Mac OS X users, 10.5.6. Lots of users who updated have been having trouble with DFU mode. iPhone Dev Team believes Apple didn’t do it on purpose but a bug in the kernel, is causing the problems.

Lots of users have been experiencing problems with the use of DFU mode after applying yesterday’s 10.5.6 system update.

We believe this behavior is due to a kernel bug not a specific countermeasure by Apple. Possible fixes are (try at your own risk!) -

1. Replace the following plugin kexts from within IOUSBFamily.kext with the ones from 10.5.5 and then rebuild kextcache (if you don’t understand this, then you shouldn’t attempt it!)

/System/Library/Extensions/IOUSBFamily.kext/Contents/PlugIns/AppleUSBHub.kext

/System/Library/Extensions/IOUSBFamily.kext/Contents/PlugIns/IOUSBCompositeDriver.kext

2. Use a USB hub in-between the DFU device and the Mac and insert/reinsert the iPhone’s USB cable.
3. Use a PwnageTool created .ipsw on Windows! Oh the irony!

Stay tuned for New Year’s Eve!!

Dong Ngo, one of the editors over at CNET, has confirmed that Tuan Anh Do, a 29 year old Vietnamese iPhone hacker, has successfully unlocked the iPhone 3G. Now this isn’t any easy to use free software unlock; you know, what the iPhone dev team have been striving to accomplish, instead we have a complicated hardware unlock requiring removal of the iPhone’s baseband chip. Yeah, this unlock ain’t no joke.

- source: CNET

The iPhone Dev Team is still hard at work unlocking the iPhone 3G for us, a signifigant milestone has now been reached with the ability to run a custom baseband.

Here’s a screenshot of a 3G iPhone whose baseband has been modified. And even though it’s modified — and fails the integrity check — it’s still running…
…Running modified baseband code is a very useful ability, but it’s still not possible to accurately estimate how close we are to the ultimate goal.

Check out the video here.

The iPhone Dev Team have updated their blog to let us know the free software iPhone 3G unlock is still being worked on. They’ve also linked their troubles with unlocking the iPhone 3G to the same problem of jailbreaking the new iPod Touch 2G. They mention the timeline of the original iPhone’s free software unlock and they aren’t too far behind, if they can manage to get an unlock out soon. The original iPhone was released in July and software unlocked by mid September.

Regarding the two current challenges: the 3G iPhone soft unlock and iPod Touch 2G jailbreak are still relatively new challenges (compare them with the timeframe of the iPhone challenges last year). We’re making slow advances on both fronts, but it’s not the sort of thing that can be easily described in a blog like this.

But, to maybe show how interlinked these challenges are, this weekend we’ll be trying some hardware based ideas on the iPod Touch 2G jailbreak :)

These are step by step instructions on how to use QuickPwn 2.1 for Microsoft Windows to jailbreak your second generation iPhone 3G 2.1

REQUIRED:

• iTunes 8 installed (make sure to reboot). - Download iTunes

Note: If you have already upgraded your iPhone to firmware 2.1 skip step 2.

Step One

Create a folder on your desktop called Pwnage.

Download the following files and place them in this Pwnage folder you just created on your desktop:

• QuickPwn 2.1
• iPhone 3G 2.1 ipsw Download

Unzip the QuickPwn21-1.zip file inside the Pwnage folder.

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These are step by step instructions on how to use QuickPwn 1.1 for Apple Mac OSX to jailbreak your 2.1 iPhone or iPhone 3G.

Step One
Create a folder on your desktop called Pwnage

Step Two
Download QuickPwn 1.1 from here and place it in the Pwnage folder. Likewise, download the latest 2.1 firmware from below and place it in the same folder.

iPhone 2.1 ipsw Download
iPhone 3G 2.1 ipsw Download

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Windows user have spent the last day watching jealously, as Mac users have enjoyed the new versions of QuickPwn and PwnageTool for jailbreaking and unlocking iPhone 2.1. Windows users we have good news and bad news for you so here it goes.

Good News: WinPwn 3.0 is on it’s way and will support iPhone & iPhone 3G 2.1.

From WinPwn.com:

It’s been very busy for me recently at work and I haven’t had much time to spend on WinPwn.But i’m hoping that planet/squpid and I can get the latest version out soon. I will keep you updated!

Bad News: It’s still not out and you have to continue waiting. That kind of sucks. I wish there was something I could do for you guys. Oh wait there is something I can do. As long as your iPhone or iPhone 3G has been Pwned previously all you need to do is restore a custom 2.1 firmware via iTunes 8. Here are two custom 2.1 firmware files made via PwnageTool 2.1 with default settings:

iPhone 2.1 Custom ipsw Download
iPhone 3G 2.1 Custom ipsw Download

With blazing fast 3G speeds and some areas being lucky enough to enjoy unlimited bandwidth with their cell phone package, a long awaited app has been iPhone 3G tethering. It has arrived! We’re not talking about NetShare which made a very brief appearance on the App store last month before it got pulled. iPhoneModem.com have released their iPhoneModem App to the masses via Cydia. This means you will require a jailbroken iPhone or iPhone 3G to use this App.

Don’t get too excited though this App isn’t completely free, it’s shareware that you can freely use with an annoying nag screen. If you wish to pay to get rid of this nag screen you need to register and receive a code based on your iPhone’s IMEI, no price has been published while writing this post.