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Samsung Samsung Galaxy Watch Ultra (SM-L705N)

Stock Firmware • One UI • Android Support

Build / PDA Region (CSC) Rating Android Date Download Link
L705NKOS3BZE1 KOO ★★★★☆ 9/10
v16
 2026-06-11
L705NKOS3BZE1 SKC ★★★★☆ 8.8/10
v16
 2026-06-11
L705NKOU3BZB2 KOO ★★★★☆ 8.8/10
v
 N/A
L705NKOU3BZB2 SKC ★★★★☆ 8.7/10
v
 N/A

Step-by-Step Flashing Instruction

To restore or update your SM-L705N, 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 Galaxy Watch Ultra. 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

L705NKOU3BZB2
★★★★☆ 8.8/10

KOO • Android • N/A • 246 downloads

L705NKOU3BZB2
★★★★☆ 8.7/10

SKC • Android • N/A • 237 downloads