No Return / No Exchange / No Warranty.Please check the IC Number and match it with your existing Product.Genuine and Proper IC.Super Quality.Every product crosscheck Before Shipping.RT8243AZQW RT8243A ( 8A ** ) IC8A-EE, 8A-EF, 8A-EC, 8A-EC, 8A-ED, 8A-EL, 8A-1H, 8A-2B, 8A-1K, 8A- IC, 8A-FE, 8A-2A, 8A..