Why does my iPhone keeps changing my preferred Siri voice?

My Siri likes to change voices all throughout the day even if I have it set on one. I always use the Indian male voice. when I go back to reset it it says I need to re-download it, which doesn’t make any sense to me. My phone’s up-to-date. I restarted my phone is this some sort of bug for the new update. Actually, this one’s been doing it the whole time I’ve had it. Anyone else had this problem where their voices just keep changing on them? and me and Indian Siri, I don’t know about y’all, but my Indian Siri cussed me one day and then won’t stay on anymore, keeps switching to female or American. One of the days it came as a British male and I never changed it, it went to American and then Indian female. I think I made my Indian male AI mad.

[Re-Titled by Moderator]

Original Title: why does my voice keep changing on me?