[Q] How to backup stock kernel? / Where to find signed vanilla kernel?

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http://forum.xda-developers.com – Hi, What must I do to backup my Kernel on a rooted Galaxy S2? I had trouble finding an original kernel in order to get the latest Samsung update and do not want to switch to a CF kernel again without having a backup. When talking about triangle away CF says ( http://forum.xda-developers.com/show....php?t=1103399 ): (4) Find an original Samsung signed stock kernel (preferably from the same stock firmware you have, but it's not terribly important) If somebody could name me a source for trustworthy vanilla kernel i would be very grateful. The above must be a bad joke:( Cheers! (HowTos)