Must have S-OFF
1) Download
2) Reboot into bootloader
3) When it asks if you want to apply the update, press Volume Up
4) When it is finished, press power to reboot
5) Congratulations! You will see the splash screen whenever you boot up or reboot.
6) Delete PG86IMG from the sdcard. This is optional, but if you don't, it will keep asking you if you want to apply the update whenever you boot into bootloader.
If anybody wants to use the splash screens posted over on xda for the Evo 3D you have to replace the android-info.txt inside the zip with the one inside the zip here.

1) Download
2) Reboot into bootloader
3) When it asks if you want to apply the update, press Volume Up
4) When it is finished, press power to reboot
5) Congratulations! You will see the splash screen whenever you boot up or reboot.
6) Delete PG86IMG from the sdcard. This is optional, but if you don't, it will keep asking you if you want to apply the update whenever you boot into bootloader.
If anybody wants to use the splash screens posted over on xda for the Evo 3D you have to replace the android-info.txt inside the zip with the one inside the zip here.