Redsn0w 0.9.6beta5 For iOS 4.2.1 Released To Unlock iPhone 3GS & iPhone 3G [Updated]


Unlock iPhone 4

After releasing PwnageTool for Mac earlier iPhone Dev Team has released Redsn0w to allow users to flash their iPhone 3GS and iPhone 3G with iPad’s exploitable 06.15.00 baseband so that they can use Ultrasn0w 1.2 to unlock their iPhone.

Redsn0w 0.9.6beta5 is available for both Windows and Mac users.

iPhone Dev team has provided the following information 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).

Dev Team has provided the following (simplified) instructions to use Redsn0w:

  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.

If you want to read the full version then read the details from this post.

Before using Redsn0w, please read the risks involved:

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 the unlock and you’re stuck on 05.14 or 05.15, and you’re willing to assume the above risks.

You can download Redsn0w from the link provided by the Dev team at the bottom of their post.

Please remember that unlocking your iPhone will void its warranty so proceed with caution.

Update 1:

Activate iPhone Without Official Carrier SIM And Also Fix Poor Battery Life Issue After Unlocking Using SAM

Update 2:

Unlocking iPhone After Updating Baseband To 06.15.00 Causing GPS Issues

As always, let us know how it goes.

[via Dev Team’s blog]

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