D-Link DI-1162M - Manual (Page 120)

DI-1162/DI-1162M Remote Access Router
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Software Update Menu
The Software Update option is used to change the software in the flash memory of the router. This is the runtime
software that is used to configure the router and is described in full in the preceding chapter.
The runtime software should only be updated if you are encountering problems with your current runtime software
or you are certain your runtime software is lacking functionality contained in a more recent version.
Downloading new software will only replace the runtime software and will not affect any configuration settings
you have made. Upon running the new software, the router will be configured exactly as you had it before
downloading the new software.
The runtime software (image file) must be stored on a TFTP server and accessed via the LAN.