Download Samsung Firmware SM-L340
Samsung Watch9 40mm
The latest firmware for Samsung Watch9 40mm (SM-L340) is L340XXS1AZH4 with Android 17, released on September 3, 2026 for 12 regions (CSC). Every official firmware build for SM-L340, newest first: one row per build with all regions (CSC) that received it.
- Latest build
- L340XXS1AZH4
- Builds
- 4 builds
- Regions (CSC)
- 13 regions
Firmware builds for SM-L340
- ACRAFRAROATOAUTBGL+6
- CHC
- CHC
- ACRAFRAROATOAUTBGL+6
SM-L340 update history
All 4 builds in our database run Android 17. The newest build, L340XXS1AZH4, was released on September 3, 2026 with the August 2026 security patch. Updates have become rare: SM-L340 received 4 builds over the last 12 months, in 3 different months.
Changelog for SM-L340
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Frequently Asked Questions
What is the latest Android version for SM-L340?
The newest firmware for SM-L340 runs Android 17: build L340XXS1AZH4, released on September 3, 2026.
When did SM-L340 get its last update?
The latest build for SM-L340, L340XXS1AZH4, was released on September 3, 2026 (1 month ago).
How often does SM-L340 get updates?
Over the last 12 months SM-L340 received 4 builds, with at least one new build in 3 different months.
Is the firmware for SM-L340 official?
Yes, all firmware files for SM-L340 are 100% official, original, and obtained directly from Samsung servers.
How to flash Samsung SM-L340 using Odin?
To flash SM-L340, 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-L340?
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-L340.