For those who accidentally withdrew from the beta program and didn't receive the stable One UI 8.5 update, here’s a workaround• Download the complete One UI 8.5 firmware.• Flash it using ODIN.After that, normal OTA updates will start working again
Thank you for your Information, check out this post https://r2.community.samsung.com/t5/Galaxy-Gallery/Welcome-To-OneUI-8-5/td-p/22119697?src=ShareByUserCM