There is already a new update of Redsn0w, it solves several errors in the Tethered iOS 5 Jailbreak, offering a solution to solve a problem with a location service for users of iPhone 3G with iPad baseband 06.15 , and adds support for Windows.
If you have this error and you have the Jailbreak just have to download and run the new version of redsn0w, select and deselect Cydia Jailbreak, this way you will not have but the problem of localization.
Redsn0w 0.9.9b6 allows you to perform a tethered jailbreak using a custom firmware that does not update the baseband of your iPhone and thus may be unlocked by Ultrasn0w or Gevey 1.2.4 or SIM cards.
Note: If your iPhone has a tethered Jailbreak / Untethered and it already has either a Gevey SIM or Ultrasn0w, you will have no problem using Redsn0w 0.9.9b6, as this preserves the baseband version of your device and you can re-unlock it again.
Your iPhone 4/3GS has a version prior to iOS 5.
The baseband is compatible with Gevey SIM orUltrasn0w.
Compatible basebands with Ultrasnow: 01.59.00 (iPhone 4), 04.26.08 (iPhone 3G) 11/05/07 (iPhone 3G) 12/05/01 (iPhone 3G) 05/13/04 (iPhone 3G) 15/06/00 (iPhone 3GS).
Basebands compatible with Gevey Ultra SIM (iPhone 4): 1.59.00, 2.10.04, 3.10.01 and 4.10.01.
iOS 5 for your device.
Redsn0w 0.9.9b6: Mac | Windows.
1 .- Open Redsn0w, select Extras and then select Custom IPSW.
2 .- You must find the firmware of your device iOS 5 downloaded in this step Redsn0w will begin to work with the custom ipsw, when you complete this step will have to click OK in the pop-up window that comes up, this firmware will have created the same folder as Redsn0w.
3 .- In Redsn0w now select the Pwned DFU option.
4 .- With your iPhone off connect it to your PC or Mac
5 .- Follow the steps to put it in DFU mode
Power Press for two seconds excactly.
Without releasing Power also press HOME for 10 seconds exactly.
Without letting let go of Home release the Power button and keep pressing Home for 15 seconds.
Once you are in DFU mode it will begin applying the Limera1n exploit.
That’s all now you’ve got the custom IOS 5 file ready to be restored.
Now go to iTunes 10.5.
Press Shift + Restore (Alt + Restore MAC).
Select the custom IOS 5 firmware created with Redsn0w, NO_BBiTunes starts.
iTunes will restore your iPhone with iOS 5 jailbreak and without updating the baseband, ready to be unlocked with Gevey 1.2.4 SIM or with Ultrasn0w.
How to re-unlock with tethered when your iPhone is turned off, or is the first time you do the jailbreak with Redsn0w:
Connect your iPhone to your PC or Mac
Press the “Extras”.
Click the Just Boot option.
Follow the steps on the screen and your iPhone will reboot with a Tethered Jailbreak.
Update For those who have problems with the Windows version:
With Redsn0w open, click on extras then select the Official IPSW downloaded, then click back and then click on Jailbreak and before DFU mode starts turn off your iPhone and click Next to begin to develop the custom IPSW.
After that everything goes well and you’ve restored the iPhone with the custom firmware, if you turn on Cydia or the screen goes blank, open Redsn0w go to Extras and click on Just Boot Just to start using the iPhone with a Tethered Jailbreak without updating the Baseband, ready to be unlocked with Gevey SIM or Ultrasn0w.
01.59.00 (iPhone 4), 04.26.08 (iPhone 3GS), 05.11.07 (iPhone 3GS), 05.12.01 (iPhone 3GS), 05.13.04 (iPhone 3GS), 06.15.00 (iPhone