This EFI Firmware update fixes a display issue on 2.2/2.4GHz 15-inch MacBook Pro models.
This update requires MacBook Pro Software Update 1.0.Once installed; you will have to launch the "MacBook Pro EFI Firmware Update 1.3" located in Documents:
It remains unclear what would be the corrected display issue, it could be the yellowish rendering for which we have been investigating and publishing news couple of days ago.
[translation by Linathael]