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Samsung Samsung Watch9 40mm (SM-L340)

Stock Firmware • One UI • Android Support

Build / PDA Region (CSC) Rating Android Date Download Link
L340XXS1AZH4 XJP ★★★★☆ 8.9/10
v17
 2026-09-02
L340ZCS1AZH4 CHC ★★★★☆ 9.2/10
v17
 2026-08-31
L340XXS1AZH4 CAM ★★★★☆ 8.9/10
v17
 2026-08-27
L340XXS1AZH4 ACR ★★★★☆ 9.2/10
v17
 2026-08-27
L340XXS1AZH4 AFR ★★★★☆ 9.2/10
v17
 2026-08-27
L340XXS1AZH4 ATO ★★★★☆ 8.7/10
v17
 2026-08-27
L340XXS1AZH4 BRI ★★★★☆ 8.8/10
v17
 2026-08-27
L340XXS1AZH4 BTU ★★★★☆ 8.9/10
v17
 2026-08-27
L340XXS1AZH4 BVO ★★★★☆ 8.9/10
v17
 2026-08-27
L340XXS1AZH4 ARO ★★★★☆ 8.9/10
v17
 2026-08-27
L340XXS1AZH4 XSG ★★★★☆ 9.3/10
v17
 2026-08-27
L340XXS1AZH4 BGL ★★★★☆ 9/10
v17
 2026-08-27
L340XXS1AZH4 AUT ★★★★☆ 9/10
v17
 2026-08-27

Step-by-Step Flashing Instruction

To restore or update your SM-L340, use the latest Odin flash tool. This process will fix system bugs and bootloops.

  1. Preparation: Download the firmware archive and extract the .tar.md5 files.
  2. Odin: Open Odin3 v3.14.4 (or newer) on your computer.
  3. Download Mode: Power off your Samsung Watch9 40mm. Hold Vol Up + Vol Down and plug it into the PC via USB.
  4. Load Files: Select files for each slot: BL, AP, CP, and CSC.
  5. Flash: Click Start. Wait for the green "PASS!" box to appear.
Important: Use HOME_CSC to keep your files and settings. Use CSC for a complete factory reset.

Popular Builds

L340XXS1AZH4
★★★★☆ 9/10

AUT • Android 17 • 2026-08-27 • 352 downloads

L340XXS1AZH4
★★★★☆ 9/10

BGL • Android 17 • 2026-08-27 • 348 downloads