Requires firmware 4.2.1+
Requires Greenpois0n's BootLogo animate tool, it will be installed automatically
This animated boot logo starts out as the Utah Utes logo but then it gets zapped by lightening and the BYU logo appears and says "Yes, I Bleed Blue" below it.
Requires firmware 4.2.1+ & Greenpois0n's BootLogo animate tool
BootLogo is configured from Settings.app
Link for Screenshots is further below