Samsung Watch8 44mm (SM-L3350) Firmware Overview
What is the latest SM-L3350 firmware?
L3350ZCS3AZF4, released July 8, 2026 with Android 16. It is a security update on bootloader binary 3. The archive holds 7 official builds across 1 region (CSC).
Is the Samsung Watch8 44mm still getting updates?
Yes. The newest build is from July 2026.
Can I downgrade the SM-L3350 firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 1 to 3:
- Binary 3 — since Feb 2026
- Binary 2 — since Nov 2025
- Binary 1 — since Jun 2025
A phone already on binary 3 rejects builds with a lower binary in Odin ("SW REV CHECK FAIL"), so it can go back to an earlier Android version only if that version has a binary 3 build. How to read a build number.
All SM-L3350 firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
L3350ZCS3AZF4
Security update
|
3 | CHC | 16 |
2026-07-08 | Download |
|
L3350ZCS3AZE1
Security update
|
3 | CHC | 16 |
2026-06-11 | Download |
|
L3350ZCU3AZB5
Feature update
|
3 | CHC | 16 |
2026-02-12 | Download |
|
L3350ZCU2AYK1
Feature update
|
2 | CHC | 16 |
2025-11-24 | Download |
|
L3350ZCU1AYH6
Feature update
|
1 | CHC | 16 |
2025-08-25 | Download |
|
L3350ZCU1AYFE
Feature update
|
1 | CHC | 16 |
2025-07-16 | Download |
|
L3350ZCU3AZC1
Feature update
|
3 | CHC | — |
N/A | Download |
How to Flash SM-L3350 Firmware
Put the Samsung Watch8 44mm into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 3 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.