[Q] Installing criskelo room please help

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http://forum.xda-developers.com – Hi there Using ARHD 9.0 at the mom but would like to try the criskelo latest. When i installed the ARHD i followed the instruction and placed the Rom file on my EXT sd card, then proceded on superwipe which removed everything on my INTERN SD card, and then installed the rom from my EXT sd card which remained intact... so far so goog! Now on Crickelo instruction they say to save the Rom on my INTERN sd card, go into recovery nandroid etc.. and then WIPE DATA FACTORY RESET + WIPE CACHE PARTITION + DANS ADVANCED/WIPE DALVIK CACHE... Will i not loose everything on my INTERN sd card if i d (HowTos)