I am having this same exact issue. Everything was working perfectly yesterday, but since this morning, I have not been able to connect my phone to PC. I've tried downloading older versions of Samsung Flow on my phone. Uninstalled and reinstalled Samsung Flow on both my phone and PC. I have restarted both devices. Nothing has solved this issue. I am getting the exact same issue as Hagakurje : "Error 0x3002, on phone "cannot connect, try to update", but app version is the last."
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