HR44 Receiver Connectivity / Wifi Issues - DirecTV

Anyone else having wifi connectivity issues? Mine is constantly losing wifi connection and I can't stimply 'reconnect' -- I'm having to hard reset the receiver or it won't connect to any wifi nextwork at all. Of course the receivers are old and not covered anymore - so now I'm either having to buy new receivers or pay for a service call? This honestly the best help I can get?

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