So you CAN update your music library! Just not with Sonos… But you can do it with SonosPhone! For a nominal fee of less than $10,you can have an app that will easily and quickly update your music library.
Updating Music Library
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.
If SonosPhone is working and the regular Sonos app is not, then you aren’t sharing correctly. You need to delete the SMB v1/HTTP share used by the old app(s) and add a new one after sharing via SMB v2/v3. Follow these directions, paying very careful attention to the “Share your music folder on the network” section (it is NOT intuitive!):
https://support.sonos.com/en-us/article/add-your-music-library-to-sonos
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.