If so, can you provide a few more details? Which watchOS version do you currently have? Which iPhone and iOS version are you currently using with your Apple Watch? Also, have you been able to add music to your Apple Watch previously?
If so, can you provide a few more details? Which watchOS version do you currently have? Which iPhone and iOS version are you currently using with your Apple Watch? Also, have you been able to add music to your Apple Watch previously?