Free Iphone Unlock

Some users claimed that they cannot jailbreak the Apple devices that they bought recently with Redsn0w. There have been a lot of speculations and one is that Apple might have patched the limera1n exploit that has been used in Redsn0w to jailbreak the iOS 4.2.1 in newer iPhones, iPads and iPod Touches.

Limera1n was first introduced way back in October by Geohot as a jailbreaking tool for iOS 4.1 using a bootrom exploit. Since it was bootrom exploit or in the hardware level, it means that Apple could not stop the exploit from being used in existing iDevices and to prevent users from jailbreaking their gadgets. However, Apple can now prevent their newer iDevices from jailbroken by patching the bootrom exploit.

One user told in a forum that he believed that Apple already patched the exploit to newer iDevices. He said, “I made a trip to the Apple Store today to get an iPad for my old lady (Christmas present). She told me she’d love it jailbroken, so I sat down in front of my computer to redsn0w this 4.2.1 iPad. One problem–redsn0w 0.9.6b6 could not upload a pwned iBSS (hanged at the white screen on OS X, upload timed out and rebooted into jailed state with Windows). Furthermore, the device constantly stalls when attempting to dump its bootrom. This leads me to believe the injection vector used via USB has been patched in DFU mode. Case in point: Any iOS device with a serial number xx050 (this week) or higher might be unable to be jailbroken via the limera1n exploit. Slightly older devices may be invulnerable as well.”

You can find out if you can still jailbreak your iPhone, iPad or iPod Touch with limera1n by looking at the serial number to find out which week your iDevice was manufactured. The serial number can be found on the iTunes summary page or Settings App –> General –> About –> Serial Number. The first two digits of the serial number gives you the factory ID of where it was manufactured and the next three digits (Digits 3-4-5) tells you when it was manufactured.

Based on speculations, new iPhone, iPod Touch and iPad manufactured from the 50^th week of 2010 may have the updated bootrom. This is not the first time that Apple did this to stay ahead in the cat and mouse chase with the jailbreaking community. October last year, Apple started shipping iPhone 3GS with newer bootrom to prevent jailbreaking.

iPhone Dev Team released the Pwnage Tool for Mac earlier this month. Just recently, the team released Redsn0w to allow iPhone 3GS and iPhone 3G users to use the 16.15.00 baseband commonly used in iPad so they can use Ultrasn0w 1.2 to unlock their iPhones. The new Redsn0w 0.9.6beta5 is available for Windows and Mac users.

According to the released information from the iPhone Dev Team on their blog: “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).”

Here are the simple instructions you should read and follow in using Redsn0w from the iPhone Dev Team.

1. Read and fully understand the warning below.
2. If you have an old-bootrom 3GS and are already unlockable but want to get to 4.2.1, please wait till we release an “unofficial” bundle for you. Read no further.
3. Use redsn0w (see update #2) for OSX or Windows. Enable the “Install iPad baseband” option and accept the warning.
4. When the redsn0w ramdisk is finished, install ultrasn0w via Cydia.

Here is the detailed version of how to use Redsn0w in unlocking your. Please do this at your own risk.

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).

Certainly don’t update to 06.15 if you don’t need to! Only do this if you need to unlock and you’re stuck on 05.14 or 05.15, and you’re willing to assume the above risks.

For those who want to take the risk, you can download Redsn0w from the link provided by the team at the bottom of their blog. Also, please bear in mind that when you unlock your iPhones, the warranty will be void. Please proceed with caution.