How to Quickly Boot Your Tethered Jailbroken iPhone, Detailed Instructions for (Windows)

These are instructions on how to quickly boot your tethered jailbroken iPhone using RedSn0w for Windows.
In my previous article I told you guys that the iPhone Dev-Team has updated RedSn0w to easily boot devices that are running a tethered jailbreak.
New Redsn0w 0.9.6rc7 will help you boot your tethered jailbroken iPhone, iPad or iPod touch quickly, bypassing some of the screen that you will normally see when using Redsn0w for iOS 4.2.1 jailbreak.
We’ve updated redsn0w to include “one-click” support for those of you running the tethered 4.2.1 jailbreak. Using command-line arguments, you can now bypass the screens you’d normally see as you use redsn0w to “Just boot tethered for now”.
Step One
Create a Pwnage folder on your Desktop and in it place:
● RedSn0w 0.9.6rc7
● Your iPhone firmware ipsw (download here)
Step Two
Double click the RedSn0w archive to extract it.

Step Three
Press the Windows and R key then input cmd and click OK to launch the Command Prompt.

Step Four
Input the following command for devices with the new bootrom:
%homepath%\Desktop\Pwnage\redsn0w_win_0.9.6rc7\redsn0w.exe -j -i %homepath%\Desktop\Pwnage\iPhone3,1_4.2.1_8C148_Restore.ipsw
Input the following command for devices with the old bootrom (iPod 2G, iPhone 3GS):
%homepath%\Desktop\Pwnage\redsn0w_win_0.9.6rc7\redsn0w.exe -j -o -i %homepath%\Desktop\Pwnage\iPhone2,1_4.2.1_8C148a_Restore.ipsw
**Important: remember to change the filename to the filename of the ipsw you downloaded in Step One.

Step Five
RedSn0w will now open, instruct you on placing your iPhone into DFU mode if it isn’t already, and boot your device.
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Well done guys! this is a good solution at least for now.
For those like me using windows, I’ve written a script to futher ease the pain. Copy and paste the following in a text editor and name it what-you-want.bat. Dopple click and you’re done!
@echo off
REM Filename: JBoot.bat
%~dp0\redsn0w.exe -j -i %~dp0iPhone2,1_4.2.1_8C148a_Restore.ipsw
exit
Both this script and your corresponding iDevice IPSW restore file should be in the same folder. Click finish when RedSn0w is done.
You can even create a shortcut on your taskbar to make more cool! Click on http://omotech.com/blog/2010/12/31/hibernate-your-pc-by-creating-a-button-on-the-windows-quick-launch-toolbar/ to learn how to do that on Windows xp or Windows 7
That’s it!
Read more: http://www.iphonetechie.com/2011/01/redsn0w-was-updated-to-redsn0w-0-9-6rc7-now-you-can-easily-boot-devices-with-tethered-jailbreak/#ixzz19zXv3q4r