Maybe exchange your wife for a newer model?
![]()
Once you're rooted just use a file manager to navigate to the file and replace it with a sound file of the same name that's just silence. I don't remember the exact location of the sound, I think it's under system/media/audio or something like that and the wireless charging sound is under both notifications and ui, so I replaced both. Hope that helps!
Because it's a part of the file system that you can modify only with root access
That is quite the oversight from Motorola. This is something small, but it is quite annoying. I hope they add an option to the stock settings menu that allows users to change the sound.