A73 5G Green line

I am so unhappy with Samsung! I have purchased a Samsung A73 5G which is 4 months out of warranty, the phone is barely used as its a spare phone and in excellent condition and never dropped and not even a mark on it. Today I've noticed a green line on the screen and tried to reset the device with no luck! I have researched and it seems like there is a defect on these devices. Purchasing an item for over 10k and taking such great care and having a issue due to a manufacturing defect is totally unacceptable. I request that this be sorted out even though the device is slightly out of warranty. Kindly get back to me as a formal complaint will be logged regarding these issues. Contact *** Shahil Singh