D-Link DSL-2750B - Firmware Update

Section 3 - Configuration
D-Link DSL-2750B User Manual
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FIRMWARE UPDATE
Use the FIRMWARE UPGRADE window to load the latest firmware for the device. Note that the device configuration settings may return to the
factory default settings, so make sure you first save the configuration settings with the SAVE/RESTORE SETTINGS window described above.
To access the FIRMWARE UPGRADE setting window, click on the Firmware Update button under the MAINTENANCE tab.
FIRMWARE UPDATE
To upgrade firmware, click on the Browse button to search for the
firmware file and then click the Update Firmware button to begin copying
the file. The Router will load the file and restart automatically.
Note: Do not turn of f your device or press the reset button while this
procedure is in progress.