Firmware Downloads
Find and download official Stock ROM for Samsung Galaxy Watch3 45mm (sm-r845f). All firmware files include MD5 hash verification and are available for direct download.
Samsung Galaxy Watch3 45mm
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| R845FXXU1FVH4/R845FOLB1FVH4/R845FXXU1FVH4 | Odin | 17.47 MB | 2022-08-01 |
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| R845FXXU1DUA4/R845FOLB1DUA4/R845FXXU1DUA4 | Odin | 38.16 MB | 2021-01-01 |
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| R845FXXU1FWK2/R845FOLB1FWK2/R845FXXU1FWK2 | Odin | 2.03 GB | 2023-11-01 |
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| R845FXXU1DUC2/R845FOLB1DUC2/R845FXXU1DUC2 | Odin | 85.73 MB | 2021-03-01 |
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| R845FXXU1EVG1/R845FOLB1EVG1/R845FXXU1EVG1 | Odin | 56.52 MB | 2022-07-01 |
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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 Watch3 45mm firmware?
A: Samsung Galaxy Watch3 45mm 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.