
Samsung Galaxy Tab S2 9.7
The latest firmware for Samsung Galaxy Tab S2 9.7 (SM-T818W) is T818WVLS4BTI2 with Android 7.0 (Nougat), released on October 15, 2020 for 9 regions (CSC). Every official firmware build for SM-T818W, 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/T818WVLS4BTI2
SM-T818W started on Android 6 and has received 1 major Android upgrade; it now runs Android 7.0 (Nougat). The newest build, T818WVLS4BTI2, was released on October 15, 2020. No new build has appeared for 73 months, so regular updates for this model have most likely ended.
· The security of your device has been improved.

SM-T818V

SM-T810X

SM-T819Y

SM-T800X

SM-T820X
The newest firmware for SM-T818W runs Android 7.0 (Nougat): build T818WVLS4BTI2, released on October 15, 2020.
The latest build for SM-T818W, T818WVLS4BTI2, was released on October 15, 2020 (6 years ago).
SM-T818W has had no new firmware for 73 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T818W are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T818W, 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-T818W.