https://us.community.samsung.com/t5/Kitchen/Can-t-Change-Flex-Zone-Temperature-in-Refrigerator-RF28JBEDBSR/m-p/1305404/highlight/true
Solved: Re: Refrig. RF28JBEDBSR/AA Flex Zone Can't Change ... - Samsung Community - 785728
Jun 2, 2023 - If you press the Flex Zone temperature button several times, is there any response at all? - 785728
https://us.community.samsung.com/t5/Kitchen/Can-t-Change-Flex-Zone-Temperature-in-Refrigerator-RF28JBEDBSR/m-p/1305132/highlight/true
Solved: Re: Refrig. RF28JBEDBSR/AA Flex Zone Can't Change... - Samsung Community - 785728
Jun 2, 2023 - It troubleshoots other problems but not this one - 785728