Bootanimation is the Xbox loading animation showing at bootup of the console.

The file is stored in XBFS as bootanim.dat.

It uses a proprietary format, likely specific to the AMD GPU.

File format

The file starts with a section header (BOOTANIM_SECTION_HEADER) and then followed by unknown data of size Header->SectionSize.

If the following data starts with the header magic, an additional section follows.


Offset Length Type Information
0x00 0x04 uint Magic (FSEG)
0x04 0x04 uint SectionIndex
0x08 0x04 uint SectionSize


Offset Length Type Information
0x00 0x?? ?? Unknown