I'm writing to express my disappointment with the Samsung service center's response regarding my S21 Ultra's green line display issue. Despite explaining the problem, they informed me that they cannot assist because my device was purchased in the Un...

Dear [Sir/Madam],I'm experiencing an issue with my Samsung S21 Ultra. One morning, I noticed a green line on the display, and I'm quite disappointed. Could you please guide me on what steps I should take to resolve this issue? I'd appreciate any ass...