Sony PSP Go PSP-N1001 - Manual (Page 41)

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Updating the system software
Updating the system software
Software updates may include security patches, new or
revised settings and features, and other items, which will
change your current operating system. It is recommended
that you always maintain your system to use the latest
version of the system software.
System software updates
For the latest information on updates, visit the following
website:
http://www.us.playstation.com/psp
Notice
Do not turn off the system during an update. If an update is
cancelled before completion, the system software may
become damaged, and the system may require servicing or
exchange.
 After you have updated the system software, you cannot go
back to an earlier version.
 Before starting an update, check that the battery is charged. You
may not be able to start an update if the battery charge level is
low.
Checking the system software version
If you select (Settings) (System Settings)
[System Information], the current system software
version will be displayed in the [System Software] field.
Update methods
You can perform an update in either of the following
ways.
System Update
Perform a network update using the PSP
®
system’s
wireless networking feature to connect to the Internet.
Select
(Settings) (System Update).
Update using a PC
Update using a PC to download update data from the
Internet. For detailed instructions, visit the following
website: http://www.us.playstation.com/psp