guys can someone help me reach asc 1 from plat 3 until the act

it finishes in 13 days my main account got perma banned it was asc 3 i stopped playing for 1 month and i came back ive been stuck in plat for 2 weeks ig but i mvp and try to win but simply cant im not the only one my friends are in the same stuation i just dont want to start silver next act as i hate playing on low elo its my literally first time in 2 years playing in plat and i find it so hard pls help