Shelly App won't connect to Relays

I've been trying to connect my Shelly app to my newly installed relays. They're all connected and up and running, can even connect to HomeKit. But for some reason the Shelly app is not wanting to connect to them.

They're getting discovered by the app, but all of them say 'Could Not Connect' and I have no idea how to solve the issue. I've tried rebooting and factory restting the relays, have rebooted my router - nothing.

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This is turn also means that I can't connect my relays to Home Assistant, which is a bit frustrating. Any ideas what may be causing this? Happy to provide more info where needed (I'm still a total Home Automation noob so go easy on me :) )

Submitted by ricebowlinc

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