Maxbhi / Elcotek Telecom — Display problem

I have order display panel with order number 5743302 and i have received order on 3.4.2023 and fixed the panel on phone 4th april after fix the display blinks use the phone after two three hours . display blinks while am using phone continuously . and i was put replacement today but replacement decline due to display fix on phone and remove the sticker, what a useless decline . may be maxbhi.com just for a cheat to customer . if i fix the display after that we check and problem also shown after using phone 2 to 3 hours