No dear Samsung is not slow they are going well and they are providing very perfectly. other brands only One Plus provided Android 11 beta update to One Plus 8 series. Xiaomi, Tealme, Vivo they have delivered Android 10 update to only flagship smartphones. Infinix haven't provide to any budget smartphone. Xiaomi release Android 10 update for Note 8 pro and after 3 hours they stopped. Only Samsung brand delivered smooth and stable update to their users.