Thread moved to "all things root"
Thanks for understanding
To answer your question you will need the original boot animation(zip file)
Use a root file broswer(root explorer)
Place it in system/media
If i am incorrect please feel free to correct me as i dont own this device
Hope this helps

 

Okay your phone may be set up differnently then mine when i go to system/media i see audio(file) and bootanimation.ZIP your phone must place them in a differnent folder maybe someone here can assist you further as i dont own the phone sorry

 

it depends on weather or not he is stock or not. If stock, it's under /hidden/boot animation or whatever. If he's not stock, it should be under/system/media/bootanimation.zip. And under gingerbread you can also use /date/local/bootanimation.zip
Post back if you still need help.

 

Well the boot animation should be outside of the audio folder so it seems its not there the app must have deleted it and.placed the new one in a different location or the boot animation is already in a different location

 

If they are both there remove the one that isn't virgin thatll restore your stock animation

 

Flash a ROM restore a backup

 

For some reason the stock ROM won't boot without the boot sound. What you can do is replace the boot sound with an mp3 that is silent, it just needs to be named the same. What I did was renamed the old one so it will there of I wanted to revert back to it and took a song i like and copied it while changing the name.