6 months stuck at lv 0 honor story

So here is the think.....i am almost never toxic expect special cases...of of those happended 6 months ago where i was autofilled mid asked for adc/support role....got denied...didnt feed my ass(i had 6-5-10 ....yes i remember that game) nad because i wasnt the best fizz of the world my support which didnt allowed me to swap with him(and for the record i had carried him 3 games ago as adc vayne doing solo pentakill) came to my face flashed to enemy midlaner and went afk after he died(i had not flamed at that point other than telling them i am autofill i didnt said another word or didnt used any annoying ping)so then i lost it flamed.....and i got banned for flaming the afk ...nice justice riot for real ty you....worst part is when i said it to riot team they said its my fault :)