For PS3 USB Key, you can
1. Play the backup game on you PS3.
2. Play the game from the harddisk directly without the game DVD.
3. Downgrade the PS3 firmware version 3.50 or older to the version you
need,etc: version 3.41.


System Requires:
1. PlayStation 3 Host,Firmwaer Version 3.41.Or the Firmware Version 3.50 or older, if the firmware version later than 3.41, you need to downgrade first use.
our downgrade firmware. Our product had supported this function.
2. Install Backup Manager Package(manager.pkg), ( Other backup manager can use too after jailbroken by PS3KEY and they
may bring you different feature. )
3. USB storage formated as FAT32 file system