how to root and update samsung galaxy s vibrant 4.0 ice cream sandwich

Astro File Manager,
Clockwork Recovery-http://www.youtube.com/redirect?q=http%3A%2F%2Fdl.dropbox.com%2Fu%2F13517705%2Fupdate.zip&session_token=lULhh6FC5uKzXffZ_DscQ17HhkN8MTM2MDg1Mzg4M0AxMzYwODM5NDgz

Ice Cream Sandwich v13.1 -http://www.mediafire.com/?8y0o1csdrbx8fv3

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