This firmware is for the Belkin Wireless G+ MIMO Wireless Modem Router F5D9631 version 1xxx.

To find the version of your router please visit this page:
http://en-us-support.belkin.com/app/answers/detail/a_id/383
Alternative drivers to Belkin Wireless G+ MIMO Wireless Modem Router F5D9631 Firmware 1.00.04: