
Samsung Galaxy Tab S8 Ultra 5G
The latest firmware for Samsung Galaxy Tab S8 Ultra 5G (SM-X906N) is X906NKOSBJZH3 with Android 16, released on August 17, 2026 for 1 region (CSC). Every official firmware build for SM-X906N, 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/X906NKOSBJZH3
SM-X906N started on Android 12 and has received 4 major Android upgrades; it now runs Android 16. The newest build, X906NKOSBJZH3, was released on August 17, 2026. Over the last 12 months SM-X906N received 7 builds, spread over 6 different months. Samsung guarantees security updates for this model until February 26, 2027.
Specifications of SM-X906B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-X906B

SM-X900

SM-X916C

SM-X910

SM-X806E
The newest firmware for SM-X906N runs Android 16: build X906NKOSBJZH3, released on August 17, 2026.
The latest build for SM-X906N, X906NKOSBJZH3, was released on August 17, 2026 (2 months ago).
Over the last 12 months SM-X906N received 7 builds, with at least one new build in 6 different months.
Yes, all firmware files for SM-X906N are 100% official, original, and obtained directly from Samsung servers.
To flash SM-X906N, 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-X906N.