NETGEAR DGN3500 User Manual page 54

WARNING!
When uploading firmware to the wireless modem router, do not
interrupt the Web browser by closing the window, clicking a link,
or loading a new page. If the browser is interrupted, it could
corrupt the firmware.
When the upload is complete, your Wireless Modem Router automatically restarts. The
upgrade process typically takes about one minute. Read the new firmware release notes
to determine whether you must reconfigure the Wireless Modem Router after upgrading.
54 | Chapter 4: Managing Your Network
N300 Wireless Gigabit ADSL2+ Mode m Router DGN3500 User Manual