connectivity issues

I have a play one (location bedroom) and a one SL (location living room) that to all intents and purposes worked perfectly other than losing connection with my phone at the extreme points of the home. I moved the play one to a closer bedroom in a central location to stop the above issue, and since then I have a whole host of issues arising from this relocation exercise.

The worst problem is that I now cannot use the s2 app at all, I have a constant ‘ghosting’ appearance when in use, and the only use the app allows is the settings cog tab. In this section, the system suggests it only sees the one SL. This is regardless of where I am, the problem exists when my phone is leaning up against the Sonos product - so I don’t think location is the issue.
My wife can actually access our Sonos network through her mobile and app, however, once she commences a radio station or chooses something from spotify, she no longer has any connectivity and cannot adjust the volume, change track or even turn the system off.
We have rebooted the system, the router, reinstalled the apps..but nothing.

Please help!