Ziack

Hello. I am trying to Upgrade from 1.03.5 to 1.03.6 so I can use the new DumaOS firmware and I have been following the steps, but as soon as I get to the part to confirm the 7777 ports are open, it comes up closed. I have tried to Bridge my modem (TP-Link Archer c3200) but honestly i'm sure i've either done it wrong or maybe the setting isn't there because I can't get the result to come off ''closed''. I'm sorry if this is the wrong place to ask but...any idea how to proceed?