Sony PSP Instruction Manual page 25

Update methods
You can perform an update in any of the following ways.
Update using a Universal Media Disc
You can update using a Universal Media Disc that contains
update data.
1
Connect the AC Adaptor to the PSP
2
Insert a Universal Media Disc that contains
update data.
The update data icon and version number are displayed
under (Game) in the Home Menu.
3
Select (PSP TM Update), and then press the
button.
The update begins. Follow the on-screen instructions to
complete the update.
Update using a PC
Update using a PC to download update data from the
Internet. For detailed instructions, visit
eu.playstation.com/psp
system.
®
Updating the system software
GB
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