Firmware Downloads
Find and download official Stock ROM for Samsung Galaxy Watch (42mm) (SM-R810) (sm-r810). All firmware files include MD5 hash verification and are available for direct download.
Samsung Galaxy Watch (42mm) (SM-R810)
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| R810XXU1FUB6/R810OXA1FUB6/ | Odin | 58.6 MB | 2021-02-01 |
N/A
|
Download |
| R810XXU1GUJ3/R810OXA1GUJ3/ | Odin | 34.99 MB | 2021-10-01 |
N/A
|
Download |
| R810XXU1GWE2/R810OXA1GWE2/ | Odin | 295.69 MB | 2023-05-01 |
N/A
|
Download |
| R810XXU1GVC2/R810OXA1GVC2/ | Odin | 33.11 MB | 2022-03-01 |
N/A
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Download |
| R810XXU1GVG1/R810OXA1GVG1/ | Odin | 34.4 MB | 2022-07-01 |
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Download |
| R810XXU1FUD1/R810OXA1FUD1/ | Odin | 58.31 MB | 2021-04-01 |
N/A
|
Download |
More samsung Devices
Frequently Asked Questions
Q: Is it safe to flash official samsung firmware?
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
Q: What tool do I need to flash Samsung Galaxy Watch (42mm) (SM-R810) firmware?
A: Samsung Galaxy Watch (42mm) (SM-R810) firmware is flashed using Odin. See the step-by-step guide above for the full procedure.
Q: Can I downgrade to an older firmware version?
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
Q: What if flashing fails?
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.