Answered question
After 2 months of flawless MMS it stopped working.
Noticed the configuration deleted on it's own ( Samsung Note 9)
Resending config from my account does not work WHY FIZZ?
Manual config fixed that problem though.
Probably not OS related, got 2 accounts only one was affected
Other answers
That's very weird. Thanks for sharing, I'll keep that in mind is I ever have this issue.
iphone works fine. I guess it's just android