Hi. I picked up an Archer VR400 modem router and it seems to work great. I logged into the router and there was an option to check for router firmware updates. This advised I was using the latest version of firmware. I'm surprised as I thought I'd have to update. Is this correct? I have the Archer VR400 EU V2 and it looks like I have 0.5.0 0.9.1 V0070.0 firmware on this.