This topic has been closed for further comments. You can use the search bar to find a similar topic, or create a new one by clicking Create Topic at the top of the page.
Remember Sonos only works with one account, so you'd log in to the app on both phones wirth the same credentials. You can add multiple music servce account to Sonos, making different account the preferred account on tdifferent phones: Use multiple accounts for the same content service | Sonos