Hope Samsung Malaysia will help to solve this issue instead of customer have to pay for the replacement screen phone which cost RM1010 (quoted from Samsung Kota Kinabalu Service Center). As this is the same issue that is experience by most of the S20 series line up globally. For more elaboration,  please see the links below that discuss the problem at hand and can filter it by recent dates.

S20 Series Display problem
https://r1.community.samsung.com/t5/forums/searchpage/tab/message?filter=location&q=s20%20display&lo

Samsung Malaysia CEO Email Address
https://contactus.samsung.com/customer/contactus/formmail/mail/MailQuestionGeneralNew.jsp?siteId=703&PROD_ID=G303850

S20 Series India Problem
https://www.change.org/p/samsungindia-samsung-samsungmobile-please-stop-ignoring-1000s-of-affected-b

https://www.change.org/p/samsungindia-samsung-samsungmobile-please-stop-ignoring-1000s-of-affected-buyers-s20plusbroken-samsung-samsunggalaxy-acknowledgedisplayissues?recruiter=63049476&recruited_by_id=586eff51-53e8-4576-9b6d-8273be71e543&utm_source=share_petition&utm_medium=copylink&utm_campaign=psf_combo_share_initial&utm_term=share_petition