Samsung Galaxy Watch6 Classic (SM-R950) Firmware Overview
What is the latest SM-R950 firmware?
R950XXS2CZF5, released July 6, 2026 with Android 16. It is a security update on bootloader binary 2. The archive holds 22 official builds across 14 regions (CSC).
Is the Samsung Galaxy Watch6 Classic still getting updates?
Yes. The newest build is from July 2026, and 14 of 14 regions already have a build from that month; the rest usually follow within a few weeks.
Can I downgrade the SM-R950 firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 2:
- Binary 2 — since May 2026
All SM-R950 firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
R950XXS2CZF5
Security update
|
2 | XJP | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | ATO | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | TGY | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | THO | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | ACR | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | BGL | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | AFR | 16 |
2026-07-06 | Download |
|
R950ZCS2CZF5
Security update
|
2 | CHC | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | KOO | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | BNG | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | AUT | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | ARO | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | TPH | 16 |
2026-07-06 | Download |
|
R950XXS2CZF5
Security update
|
2 | ZTO | 16 |
2026-07-06 | Download |
|
R950XXS2CZE1
Security update
|
2 | XJP | 16 |
2026-06-18 | Download |
|
R950ZCS2CZE1
Security update
|
2 | CHC | 16 |
2026-06-18 | Download |
|
R950XXS2CZE1
Security update
|
2 | BNG | 16 |
2026-06-15 | Download |
|
R950XXS2CZE1
Security update
|
2 | KOO | 16 |
2026-06-15 | Download |
|
R950XXS2CZE1
Security update
|
2 | ZTO | 16 |
2026-06-15 | Download |
|
R950XXS2CZE1
Security update
|
2 | AFR | 16 |
2026-06-15 | Download |
|
R950XXS2CZE1
Security update
|
2 | ACR | 16 |
2026-06-15 | Download |
|
R950XXS2CZE1
Security update
|
2 | TGY | 16 |
2026-06-15 | Download |
Latest SM-R950 Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| ACR | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| AFR | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| ARO | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| ATO | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| AUT | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| BGL | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| BNG | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| CHC | R950ZCS2CZF5 | 2 | 16 | 2026-07-06 |
| KOO | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| TGY | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| THO | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| TPH | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| XJP | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
| ZTO | R950XXS2CZF5 | 2 | 16 | 2026-07-06 |
How to Flash SM-R950 Firmware
Put the Samsung Galaxy Watch6 Classic 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 2 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.