
Samsung Galaxy Tab E 8.0
The latest firmware for Samsung Galaxy Tab E 8.0 (SM-T375S) is T375SKSU1BVG5 with Android 6.0.1 (Marshmallow), released on July 21, 2022 for 1 region (CSC). Every official firmware build for SM-T375S, 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/T375SKSU1BVG5
SM-T375S started on Android 5 and has received 1 major Android upgrade; it now runs Android 6.0.1 (Marshmallow). The newest build, T375SKSU1BVG5, was released on July 21, 2022. No new build has appeared for 51 months, so regular updates for this model have most likely ended.

SM-T375L

SM-T378V

SM-T387V

SM-T365Y

SM-T385S
The newest firmware for SM-T375S runs Android 6.0.1 (Marshmallow): build T375SKSU1BVG5, released on July 21, 2022.
The latest build for SM-T375S, T375SKSU1BVG5, was released on July 21, 2022 (4 years ago).
SM-T375S has had no new firmware for 51 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T375S are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T375S, 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-T375S.