Firmware Downloads
Find and download official MIUI firmware for Samsung Galaxy Watch4 40mm LTE (SM-R865F) (sm-r865f). All firmware files include MD5 hash verification and are available for direct download.
Samsung Galaxy Watch4 40mm LTE (SM-R865F)
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| R865FXXU2JZC2/R865FOLB2JZC2/R865FXXU2JZC2 | Odin | 505 B | 2026-03-01 |
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| R865FXXU1FVC8/R865FOLB1FVC8/R865FXXU1FVC8 | Odin | 95 B | 2022-03-01 |
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| R865FXXU1EVA8/R865FOLB1EVA8/R865FXXU1EVA8 | Odin | 346 B | 2022-01-01 |
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| R865FXXU1HXB7/R865FOLB1HXB7/R865FXXU1HXB7 | Odin | 1 B | 2024-02-01 |
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| R865FXXU1JYL6/R865FOLB1JYL6/R865FXXU1JYL6 | Odin | 531 B | 2025-12-01 |
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| R865FXXU1GVK6/R865FOLB1GVK6/R865FXXU1GVK6 | Odin | 387 B | 2022-11-01 |
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| R865FXXU1BUI5/R865FOLB1BUI5/R865FXXU1BUI5 | Odin | 816 B | 2021-09-01 |
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| R865FXXU1FVD4/R865FOLB1FVD4/R865FXXU1FVD4 | Odin | 882 B | 2022-04-01 |
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| R865FXXU1GWA3/R865FOLB1GWA3/R865FXXU1GWA3 | Odin | 295 B | 2023-01-01 |
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| R865FXXU1IYI1/R865FOLB1IYI1/R865FXXU1IYI1 | Odin | 1 B | 2025-09-01 |
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| R865FXXU1IXK1/R865FOLB1IXK1/R865FXXU1IXK1 | Odin | 457 B | 2024-11-01 |
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| R865FXXU1HWL1/R865FOLB1HWL1/R865FXXU1HWL1 | Odin | 231 B | 2023-12-01 |
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| R865FXXU1HWI1/R865FOLB1HWI1/R865FXXU1HWI1 | Odin | 505 B | 2023-09-01 |
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| R865FXXU1GWB1/R865FOLB1GWB1/R865FXXU1GWB1 | Odin | 294 B | 2023-02-01 |
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| R865FXXU1GVH1/R865FOLB1GVH1/R865FXXU1GVH1 | Odin | 486 B | 2022-08-01 |
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| R865FXXU1IYCD/R865FOLB1IYE2/R865FXXU1IYE2 | Odin | 135 B | 2025-03-01 |
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| R865FXXU1GWDA/R865FOLB1GWDA/R865FXXU1GWDA | Odin | 1 B | 2023-04-01 |
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| R865FXXU1DUJA/R865FOLB1DUJA/R865FXXU1DUJA | Odin | 699 B | 2021-10-01 |
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Download |
How to Flash Firmware
Steps to Install Firmware:
- Download the ROM: Choose the appropriate firmware version above for your device region
- Backup Your Data: All data will be erased during flashing
- Unlock Bootloader: Required for some devices (check device-specific requirements)
- Download Tools: Download MIUI Flash Tool or use ADB/Fastboot
- Flash the ROM: Follow the tool's instructions to flash the downloaded firmware
- Verify: Restart and verify successful installation
⚠️ Warning: Flashing custom ROMs may void your warranty. Proceed at your own risk.
Frequently Asked Questions
Q: Is it safe to flash official firmware?
A: Yes, flashing official firmware is generally safe and won't void your warranty if done through official methods.
Q: What's the difference between Recovery and Fastboot ROMs?
A: Recovery ROMs are flashed from recovery mode, while Fastboot ROMs require bootloader unlock and ADB tools.
Q: Can I downgrade to an older firmware version?
A: Some devices allow downgrading, but it depends on the device and region. Check device-specific forums first.
Q: What if flashing fails?
A: If flashing fails, try using the official tool, ensure USB drivers are installed, and check device compatibility.