Sony PSP-3004 - Manual (Page 29)

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Update methods
You can perform an update in any of the following
ways.
With an Internet connection
Network Update
Update using the PSP
®
system's wireless LAN
feature.
By selecting
(Network Update) under
(Settings), you can connect to the Internet and
update your system to the latest system software.
Update using a PC
Update using a PC to download update data from the
Internet. For detailed instructions, visit
eu.playstation.com/psp
Without an Internet connection
Update using a UMD
You can update using a UMD that contains update
data.
1
Connect the AC Adaptor to the PSP
®
system.
2
Insert a UMD that contains update data.
The update data icon and version number are displayed
under
(Game) in the Home Menu.
3
Select (PSP™ Update), and then press
the button.
The update begins. Follow the on-screen instructions to
complete the update.
PSP
®
system updates
Updating the system software
9