One way to change your boot animation WITHOUT ROOT is to install the android sdk from: developer.android.com then installing platform-tools package from the sdk manager then right click computer and select properties. Click Advanced System ...(Sorry not sure exact name) then click environmental variables from the box then in the top panel choose path then add a semicolon to the end and add the source folder of platform-tools (eg ;c:/program files/android/platform-tools; ) then open cmd and find the directory of the bootanimation then plug in your phone and make sure the device has debug mode enabled... in the cmd window type:
To check if the device is online then type in:
adb push bootanimation.zip /data/local/
or if that doesnt work:
adb push bootanimation.zip ./data/local/
Then its should say copy complete then reboot the phone and it should be there.
Paki if you wish you may put this in the OP for other users. I have used this and it works, just takes alot of time.
Sent from my LG-P920 using xda app-developers app