DLink Router Problem

sorry if this is wrong place to post this but my brothernlaw has a D-link
DI-624 Airplus and i go to his house cause my girlfriend lives there with family and i take my xbox 360 and we play online fine but every 1 hour it disconnects and we have to go downstairs and unplug power and plug it back up very annoying.he had the router for a year and cant return it its been doin that since first day he had it so no returns is out of the question is there somwere to get firmware or something im new to routers just tryin to get help from people who know

Thank you

 

Your best bet would be to visit the downloads and support pages at www.dlink.com. Just put in your router model and revision number and follow the steps.