Get GreenPois0n RC5 Jailbreak to work in Mac OS X 10.5

Feb 5, 2011 - 3 Comments

greenpois0n-rc5-mac-osx-105-8

Update: GreenPois0n RC5 3 for Mac includes built-in 10.6 and 10.5 support. This release eliminates the need for the hack below.

GreenPois0n RC5 2 is out for Mac but it requires Mac OS X 10.6 in order to run, right? Wrong! Thanks to this hack from cmdshift we can get GreenPois0n RC5 running in Mac OS X 10.5.8, so those on older Mac OS X versions will be able to jailbreak iOS 4.2.1 using GreenPois0n RC5 too.

How to get GreenPois0n RC5 to work in Mac OS X 10.5

This involves tweaking system files, proceed at your own risk!

• Download and extract libcurl.4.dylib 6.0.0.zip to your Desktop

• Launch Terminal.app (Located in /Applications/Utilities/) and execute the following commands:

• First we’ll backup libcurl4 by renaming it

sudo mv /usr/lib/libcurl.4.dylib /usr/lib/libcurl.4.dylib-backup

• Now you’ll move the newly downloaded libcurl file from your Mac OS X Desktop to /usr/lib

sudo mv ~/Desktop/libcurl.4.dylib /usr/lib/

• Launch GreenPois0n RC5 and it should work fine!

cmdshft discovered that GreenPois0n RC5 requires libcurl.4.dylib version 6.0.0 whereas Mac OS X 10.5.8 has 5.0.0, this hack works by replacing libcurl4 with version 6.0.0.

I haven’t verified this yet (currently on a Mac with 10.6.6) but cmdshift knows what he’s talking about and got it working on his Hackintosh, so this should work fine on all versions of Mac OS X 10.5.8. Enjoy your jailbreak!

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Posted by: Paul Horowitz in iPhone, Mac OS X

3 Comments

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  1. Parakeet says:

    Great tip, usually anyone not in Snow Leopard gets the shaft these days.

  2. Ricky says:

    Amazing!!! you have saved my life, days i have spent trying to figure this out with changing files & everything :D

  3. Lloyd says:

    will this work for any application not designed for leopard ?

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