Samsung Watch Ultra2
The latest firmware for Samsung Watch Ultra2 (SM-L715N) is L715NKOU1AZH8 with Android 17, released on October 11, 2026 for 1 region (CSC). Every official firmware build for SM-L715N, 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/L715NKOU1AZH8
All 3 builds in our database run Android 17. The newest build, L715NKOU1AZH8, was released on October 11, 2026. Updates have become rare: SM-L715N received 3 builds over the last 12 months, in 3 different months.
Specifications of SM-L715F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-L715F

SM-L705U

SM-L505F

SM-L310N

SM-L320
The newest firmware for SM-L715N runs Android 17: build L715NKOU1AZH8, released on October 11, 2026.
The latest build for SM-L715N, L715NKOU1AZH8, was released on October 11, 2026 (19 days ago).
Over the last 12 months SM-L715N received 3 builds, with at least one new build in 3 different months.
Yes, all firmware files for SM-L715N are 100% official, original, and obtained directly from Samsung servers.
To flash SM-L715N, 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-L715N.