
Samsung Galaxy Tab S2 8.0
The latest firmware for Samsung Galaxy Tab S2 8.0 (SM-T715Y) is T715YDXS2CTL1 with Android 7.0 (Nougat), released on December 11, 2020 for 1 region (CSC). Every official firmware build for SM-T715Y, 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/T715YDXS2CTL1
SM-T715Y started on Android 5 and has received 2 major Android upgrades; it now runs Android 7.0 (Nougat). The newest build, T715YDXS2CTL1, was released on December 11, 2020 with the August 2019 security patch. No new build has appeared for 71 months, so regular updates for this model have most likely ended.
Specifications of SM-T715, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

SM-T715C

SM-T719C

SM-T727A

SM-T810X

SM-T818V
The newest firmware for SM-T715Y runs Android 7.0 (Nougat): build T715YDXS2CTL1, released on December 11, 2020.
The latest build for SM-T715Y, T715YDXS2CTL1, was released on December 11, 2020 (5 years ago).
SM-T715Y has had no new firmware for 71 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T715Y are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T715Y, 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-T715Y.