cash crusaders shelly beach

I HAVE PURCHASED 3 DOOGEE PHONES FROM CASH CRUSADERS A S40,S30, S86 THE S 30 AND S 40 BOTH HAVE CRACKED SCREENS AND AFTER A YEAR I GET TOLD THEY CANT BE FIXED, IF THIS IS THE CASE THEN WHY SELL HIS **** ! I NOW DEMAND A FULL REFUND ON THE DAMAGED PRODUCTS R 2399 ON THE S30 AND R 1899 ON THE S40 TOTAL R 4298, AND WILL PURCHASE FROM A COMPANY THAT GIVES SERVICE AND BACK UP, BECAUSE YOURS IS **** !!