Download Samsung Firmware SM-L345N

Samsung Watch9 40mm

The latest firmware for Samsung Watch9 40mm (SM-L345N) is L345NKOU1AZH6 with Android 17, released on October 5, 2026 for 1 region (CSC). Every official firmware build for SM-L345N, newest first: one row per build with all regions (CSC) that received it.

Latest build
L345NKOU1AZH6 Android 17 · 24 days ago
Builds
3 builds
Regions (CSC)
4 regions

Firmware builds for SM-L345N

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/L345NKOU1AZH6

SM-L345N update history

All 3 builds in our database run Android 17. The newest build, L345NKOU1AZH6, was released on October 5, 2026. Updates have become rare: SM-L345N received 3 builds over the last 12 months, in 3 different months.

Device specifications

Launched with
Wear OS
Display diagonal
3.3 cm (1.3")
Display technology
AMOLED
Display resolution
438 x 438 pixels
RAM
2 MB
Battery capacity
390 mAh
Weight
31.5 g
Band colour
Graphite

Specifications of SM-L345F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-L345N?

The newest firmware for SM-L345N runs Android 17: build L345NKOU1AZH6, released on October 5, 2026.

When did SM-L345N get its last update?

The latest build for SM-L345N, L345NKOU1AZH6, was released on October 5, 2026 (25 days ago).

How often does SM-L345N get updates?

Over the last 12 months SM-L345N received 3 builds, with at least one new build in 3 different months.

Is the firmware for SM-L345N official?

Yes, all firmware files for SM-L345N are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-L345N using Odin?

To flash SM-L345N, 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.

Can I downgrade the Android version on SM-L345N?

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-L345N.