300m Wireless-n Broadband Router Ib-wrb303n Firmware Update -

Downloading firmware from unofficial third-party sites (like random driver download aggregators) can permanently "brick" your router or install malware. Only use the manufacturer's official website.

I cannot directly provide the firmware file itself, as that would violate copyright and potentially distribute unverified code. However, I can give you the to find the official firmware for the IB-WRB303N .