Please I need an update for my galaxy s20 plus because most of my applications are crashing and others are not opening at all again,the phone heats for no reason....after receiving the one UI 4 update the phone is responding strangely enough which is...

When is my galaxy s20 plus 5g getting one UI 4 update...since November I've not gotten any update from Samsung what's going on....my software sometimes stop working and it tells me system UI is not responding... please I really need an update about t...