[Q] my phone need be rooted to use cuostum kernel?

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http://forum.xda-developers.com – hi everbody my question that i have galaxy 9100 with latest stock room 4.0.4 and i want use latest siyah kernel to avoid phone brick later if i want reset my phone later...i can use this kernel without root my phone? and wath about if a room update come later ? thanks for you all :) (HowTos)