Ive been stuck silver since september, I went trough silver 1 very fast but then a road block in silver 2 where my team would not talk no info they would play like iron peopld every single time after I got a team I got to silver 3 but then...

I mostly play unrated and other gamemodes and I hardly ever playing comp but everyone keeps talking about comp and I don't even know how it works so can someone please help