
Samsung Galaxy S8 Active
The latest firmware for Samsung Galaxy S8 Active (SM-G892U) is G892USQU7CUD2 with Android 9 (Pie), released on May 7, 2021 for 2 regions (CSC). Every official firmware build for SM-G892U, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/G892USQU7CUD2
SM-G892U started on Android 7 and has received 2 major Android upgrades; it now runs Android 9 (Pie). The newest build, G892USQU7CUD2, was released on May 7, 2021. No new build has appeared for 66 months, so regular updates for this model have most likely ended.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

SM-G890A

SM-G889A

SM-G888N0

SM-G990W2

SM-G991Q
The newest firmware for SM-G892U runs Android 9 (Pie): build G892USQU7CUD2, released on May 7, 2021.
The latest build for SM-G892U, G892USQU7CUD2, was released on May 7, 2021 (5 years ago).
SM-G892U has had no new firmware for 66 months, so regular updates have most likely ended.
Yes, all firmware files for SM-G892U are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G892U, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-G892U.