Instructions: You MUST be rooted to install this file.
1. Navigate to your system/media directory using root browser or any other browser that can view system files. There you will find a file named "bootanimation.zip".
2. Rename this file to "bootanimation1.zip" and leave it there in the folder if you wish to revert to your stock boot animation at any time.
3. Take the "Matrixbootanimation.zip" and move it into the system/media folder.
4. Rename the file to "bootanimation.zip".
5. Press/hold the file to get a menu, and select permissions.
6. Set Owner to read/write, Group to read, and others to read. Click OK.
After these steps, reboot your phone, and enjoy your shiny new animation