Mavic pro controller sound issue (when turning on or off, the chime is very low volume now! Why?

[İmaginecars]

I have been using my drone for a while. Just did the latest firmware update couple days ago, and now, when I turn the controller on, I barely hear the chime. Same with turning off chime. It was very loud before. Did I accidentally pressed bottons to cause that? Or just a firmware bug? Anyone else experienced this? Thanks ?yes. IPad mini 2 volume is all the way up. It does the same low sound by itself as well without connecting the iPad or the Mavic pro.