Wallpaper keeps on changing automatically seems like a bug . I keep changing it and revert back to the default one . It's S24 Ultra . Any help suggestions will be highly appreciated . Any help will be appreciated

Hello team,After upgrading to one UI 5 when i am using watsapp to transfer video of 5-10 Mb and click on attachment icon , i don't see any of my video in my gallery like i use to see in One ui 4 . The workaround is to go to the main gallery first sel...