
Samsung Galaxy Tab S5e
The latest firmware for Samsung Galaxy Tab S5e (SM-T725N) is T725NKOS3DWA1 with Android 11, released on January 25, 2023 for 1 region (CSC). Every official firmware build for SM-T725N, 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/T725NKOS3DWA1
SM-T725N started on Android 9 and has received 2 major Android upgrades; it now runs Android 11. The newest build, T725NKOS3DWA1, was released on January 25, 2023. No new build has appeared for 45 months, so regular updates for this model have most likely ended.
Box codes of SM-T725N for different colors and markets. Firmware is chosen by the model code SM-T725N and your region (CSC), not by the SKU.

SM-T725C

SM-T820X

SM-T710X

SM-T733

SM-T738U
The newest firmware for SM-T725N runs Android 11: build T725NKOS3DWA1, released on January 25, 2023.
The latest build for SM-T725N, T725NKOS3DWA1, was released on January 25, 2023 (3 years ago).
SM-T725N has had no new firmware for 45 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T725N are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T725N, 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-T725N.