King price

Hi i have cell phone insurance with king price they repaired my Samsung s7 2 days later my phones lcd starting too change colors and a week later my phones lcd is completely black now while phone is on and the new back cover is cracked and broken its thin like paper the back cover broke while covered with a rubber back cover protector my phone was fixed with pirate parts this is why this is happening my battery only last quarter of the day and phone over heats while charging this is bull****t and I'm battling for days now too get this sorted