Dear Friend, I would highly recommend you to do a checkup of the phone
at Samsung Authorised Service Centre. Also a little advice to take a
proper backup & try to do a hard reset on the phone & use it for
sometime. Once it happened with me long back ...
I haven't recieved yet, still waiting for the January Android Pie update
too. I'm too using S9+, my security patch is of November 2019. Why their
is a delay can anyone explain it to me.Edited : Just now I have recieved