
The latest firmware for Samsung Galaxy TabS 10.5 (SM-T805S) is T805SKSU2CVG1 with Android 6.0.1 (Marshmallow), released on August 18, 2022 for 1 region (CSC). Every official firmware build for SM-T805S, 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/T805SKSU2CVG1
SM-T805S started on Android 4 and has received 2 major Android upgrades; it now runs Android 6.0.1 (Marshmallow). The newest build, T805SKSU2CVG1, was released on August 18, 2022. No new build has appeared for 51 months, so regular updates for this model have most likely ended.
Specifications of SM-T805, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-T805Y

SM-T800

SM-T810X

SM-T900X

SM-T818V
The newest firmware for SM-T805S runs Android 6.0.1 (Marshmallow): build T805SKSU2CVG1, released on August 18, 2022.
The latest build for SM-T805S, T805SKSU2CVG1, was released on August 18, 2022 (4 years ago).
SM-T805S has had no new firmware for 51 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T805S are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T805S, 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-T805S.
Yes. Every build on this page is the official stock ROM for SM-T805S from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.
No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.