Android and Apple tips to get Device Sound Check Test #3 To Function Properly.
Android (Verison 14) is directly below,  Apple iOS (Version 16) is at the bottom of the page.
Cell phone operating systems have made Notification Settings very complicated with too many variables. Below are examples of screenshots from Android 14 on a Samsung phone. These are settings and toggles you need ot look for on your phone and properly configure.  They will vary slightly based on the version of Android, the brand of phone, and even the cell phone carrier service provider.  But these provide examples of the basic variables to look for and configure.

Apple iOS - Version 16 examples