Samsung Galaxy Z Flip5 (Korea) is a samsung device (codename: sm-f731n). FirmwareMirror hosts 93 verified firmware builds, covering: KOO. Available as official firmware. Last updated: April 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy Z Flip5 (Korea) (sm-f731n). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
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| F731NTCS6FZB2/F731NOKW6FZB2/F731NKSS6FZB1 | Odin | 440.26 MB | 2026-02-01 |
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| F731NKSS6FZB2/F731NOKR6FZB2/F731NKSS6FZB1 | Odin | 413.45 MB | 2026-02-01 |
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| F731NTBS6FZB2/F731NOKT6FZB2/F731NKSS6FZB1 | Odin | 446.57 MB | 2026-02-01 |
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| F731NTCS6FZC1/F731NOKW6FZC1/F731NKSS6FZC1 | Odin | 407.06 MB | 2026-03-01 |
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| F731NKSS6FZC1/F731NOKR6FZC1/F731NKSS6FZC1 | Odin | 408.19 MB | 2026-03-01 |
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| F731NTBS6FZC1/F731NOKT6FZC1/F731NKSS6FZC1 | Odin | 410.4 MB | 2026-03-01 |
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| F731NKSU6GZDU/F731NOKR6GZDU/F731NKSU6GZDQ | Odin | 472.64 MB | 2026-04-01 |
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| F731NTBU5EYD9/F731NOKT5EYD9/F731NKSU5EYCA | Odin | 423.34 MB | 2025-04-01 |
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| F731NKSU5EYD9/F731NOKR5EYD9/F731NKSU5EYCA | Odin | 423.92 MB | 2025-04-01 |
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| F731NTCU5EYD9/F731NOKW5EYD9/F731NKSU5EYCA | Odin | 423.08 MB | 2025-04-01 |
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| F731NTBU5FYI8/F731NOKT5FYI8/F731NKSU5FYI2 | Odin | 355.34 MB | 2025-09-01 |
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| F731NKSU5FYI8/F731NOKR5FYI8/F731NKSU5FYI2 | Odin | 360.71 MB | 2025-09-01 |
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| F731NTCU5FYI8/F731NOKW5FYI8/F731NKSU5FYI2 | Odin | 357.34 MB | 2025-09-01 |
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| F731NTBS5FYK3/F731NOKT5FYK3/F731NKSU5FYI2 | Odin | 471.68 MB | 2025-11-01 |
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| F731NTCS5FYK3/F731NOKW5FYK3/F731NKSU5FYI2 | Odin | 472.64 MB | 2025-11-01 |
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| F731NKSS5FYK3/F731NOKR5FYK3/F731NKSU5FYI2 | Odin | 470.27 MB | 2025-11-01 |
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| F731NKSS5FYJ3/F731NOKR5FYJ3/F731NKSU5FYI2 | Odin | 476.46 MB | 2025-10-01 |
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| F731NTBS5FYJ3/F731NOKT5FYJ3/F731NKSU5FYI2 | Odin | 474.75 MB | 2025-10-01 |
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| F731NTCS5FYJ3/F731NOKW5FYJ3/F731NKSU5FYI2 | Odin | 472.64 MB | 2025-10-01 |
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| F731NTCS5EYE2/F731NOKW5EYE2/F731NKSU5EYCA | Odin | 394.04 MB | 2025-05-01 |
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| F731NKSS5EYE2/F731NOKR5EYE2/F731NKSU5EYCA | Odin | 397.42 MB | 2025-05-01 |
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| F731NTBS5EYE2/F731NOKT5EYE2/F731NKSU5EYCA | Odin | 392.82 MB | 2025-05-01 |
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| F731NTCS5FZA1/F731NOKW5FZA1/F731NKSU5FYI2 | Odin | 414.56 MB | 2026-01-01 |
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| F731NKSS5FZA1/F731NOKR5FZA1/F731NKSU5FYI2 | Odin | 416.53 MB | 2026-01-01 |
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| F731NTBS5FZA1/F731NOKT5FZA1/F731NKSU5FYI2 | Odin | 419.89 MB | 2026-01-01 |
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| F731NTBS5FYL1/F731NOKT5FYL1/F731NKSU5FYI2 | Odin | 425.32 MB | 2025-12-01 |
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| F731NKSS5FYL1/F731NOKR5FYL1/F731NKSU5FYI2 | Odin | 424.44 MB | 2025-12-01 |
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| F731NTCS5FYL1/F731NOKW5FYL1/F731NKSU5FYI2 | Odin | 426.21 MB | 2025-12-01 |
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| F731NKSS5EYG1/F731NOKR5EYG1/F731NKSU5EYCA | Odin | 369.71 MB | 2025-07-01 |
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| F731NTCS5EYG1/F731NOKW5EYG1/F731NKSU5EYCA | Odin | 364.03 MB | 2025-07-01 |
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| F731NTBS5EYG1/F731NOKT5EYG1/F731NKSU5EYCA | Odin | 362.66 MB | 2025-07-01 |
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| F731NTBS5EYF1/F731NOKT5EYF1/F731NKSU5EYCA | Odin | 377.25 MB | 2025-06-01 |
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| F731NTCS5EYF1/F731NOKW5EYF1/F731NKSU5EYCA | Odin | 375.86 MB | 2025-06-01 |
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| F731NKSS5EYF1/F731NOKR5EYF1/F731NKSU5EYCA | Odin | 383.24 MB | 2025-06-01 |
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| F731NKSS5FYIA/F731NOKR5FYIA/F731NKSU5FYI2 | Odin | 360.95 MB | 2025-09-01 |
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| F731NTCS5FYIA/F731NOKW5FYIA/F731NKSU5FYI2 | Odin | 354.08 MB | 2025-09-01 |
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| F731NTBS5FYIA/F731NOKT5FYIA/F731NKSU5FYI2 | Odin | 358.12 MB | 2025-09-01 |
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| F731NKSS5EYGB/F731NOKR5EYGB/F731NKSU5EYCA | Odin | 3.08 GB | 2025-07-01 |
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| F731NTCS5EYGB/F731NOKW5EYGB/F731NKSU5EYCA | Odin | 3.05 GB | 2025-07-01 |
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| F731NTBS5EYGB/F731NOKT5EYGB/F731NKSU5EYCA | Odin | 3.13 GB | 2025-07-01 |
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| F731NTBS5DYBE/F731NOKT5DYBE/F731NKSS5DYBE | Odin | 4.72 GB | 2025-02-01 |
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| F731NKSS5DYBE/F731NOKR5DYBE/F731NKSS5DYBE | Odin | 4.67 GB | 2025-02-01 |
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| F731NTCS5DYBE/F731NOKW5DYBE/F731NKSS5DYBE | Odin | 4.45 GB | 2025-02-01 |
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| F731NTBU4DXK8/F731NOKT4DXK8/F731NKSU4DXJ9 | Odin | 425.4 MB | 2024-11-01 |
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| F731NTCU4DXK8/F731NOKW4DXK8/F731NKSU4DXJ9 | Odin | 423.86 MB | 2024-11-01 |
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| F731NKSU4DXK8/F731NOKR4DXK8/F731NKSU4DXJ9 | Odin | 424.06 MB | 2024-11-01 |
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| F731NTCS4DYAA/F731NOKW4DYAA/F731NKSU4DXJ9 | Odin | 396.64 MB | 2025-01-01 |
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| F731NTBS4DYAA/F731NOKT4DYAA/F731NKSU4DXJ9 | Odin | 394.94 MB | 2025-01-01 |
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| F731NKSS4DYAA/F731NOKR4DYAA/F731NKSU4DXJ9 | Odin | 396.29 MB | 2025-01-01 |
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| F731NTCS4DXLF/F731NOKW4DXLF/F731NKSU4DXJ9 | Odin | 407.23 MB | 2024-12-01 |
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| F731NTBS4DXLF/F731NOKT4DXLF/F731NKSU4DXJ9 | Odin | 406.69 MB | 2024-12-01 |
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| F731NKSS4DXLF/F731NOKR4DXLF/F731NKSU4DXJ9 | Odin | 405.99 MB | 2024-12-01 |
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| F731NTCS4DXKF/F731NOKW4DXKF/F731NKSU4DXJ9 | Odin | 417.6 MB | 2024-11-01 |
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| F731NTBS4DXKF/F731NOKT4DXKF/F731NKSU4DXJ9 | Odin | 418.67 MB | 2024-11-01 |
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| F731NKSS4DXKF/F731NOKR4DXKF/F731NKSU4DXJ9 | Odin | 417.85 MB | 2024-11-01 |
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| F731NTBS3DXI9/F731NOKT3DXI9/F731NKSS3DXI9 | Odin | 577.73 MB | 2024-09-01 |
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| F731NKSS3DXI9/F731NOKR3DXI9/F731NKSS3DXI9 | Odin | 575.22 MB | 2024-09-01 |
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| F731NTCS3DXI9/F731NOKW3DXI9/F731NKSS3DXI9 | Odin | 577.35 MB | 2024-09-01 |
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| F731NKSS3CXG2/F731NOKR3CXG2/F731NKSS3CXG2 | Odin | 2.29 GB | 2024-07-01 |
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| F731NTCS3CXG2/F731NOKW3CXG2/F731NKSS3CXG2 | Odin | 2.24 GB | 2024-07-01 |
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| F731NTBS3CXG2/F731NOKT3CXG2/F731NKSS3CXG2 | Odin | 2.32 GB | 2024-07-01 |
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| F731NKSS3CXH1/F731NOKR3CXH1/F731NKSS3CXH1 | Odin | 2.29 GB | 2024-08-01 |
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| F731NTCS3CXH1/F731NOKW3CXH1/F731NKSS3CXH1 | Odin | 2.24 GB | 2024-08-01 |
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| F731NTBS3CXH1/F731NOKT3CXH1/F731NKSS3CXH1 | Odin | 2.31 GB | 2024-08-01 |
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| F731NKSU3DXHA/F731NOKR3DXHA/F731NKSU3DXH9 | Odin | 580.52 MB | 2024-08-01 |
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| F731NTBU3DXHA/F731NOKT3DXHA/F731NKSU3DXH9 | Odin | 579.92 MB | 2024-08-01 |
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| F731NTCU3DXHA/F731NOKW3DXHA/F731NKSU3DXH9 | Odin | 580 MB | 2024-08-01 |
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| F731NTCS2CXE1/F731NOKW2CXE1/F731NKSS2CXE1 | Odin | 2.24 GB | 2024-05-01 |
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| F731NKSS2CXE1/F731NOKR2CXE1/F731NKSS2CXE1 | Odin | 2.29 GB | 2024-05-01 |
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| F731NTBS2CXE1/F731NOKT2CXE1/F731NKSS2CXE1 | Odin | 2.32 GB | 2024-05-01 |
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| F731NTCS2CXEA/F731NOKW2CXEA/F731NKSS2CXEA | Odin | 2.24 GB | 2024-05-01 |
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| F731NKSS2CXEA/F731NOKR2CXEA/F731NKSS2CXEA | Odin | 2.29 GB | 2024-05-01 |
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| F731NTBS2CXEA/F731NOKT2CXEA/F731NKSS2CXEA | Odin | 2.32 GB | 2024-05-01 |
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| F731NKSU1BWK9/F731NOKR1BWK9/F731NKSU1BWK3 | Odin | 3.31 GB | 2023-11-01 |
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| F731NKSU1AWH7/F731NOKR1AWH7/F731NKSU1AWFF | Odin | 337.77 MB | 2023-08-01 |
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| F731NTBU1AWJ6/F731NOKT1AWJ6/F731NKSU1AWFF | Odin | 400.83 MB | 2023-10-01 |
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| F731NTCU1AWI3/F731NOKW1AWI3/F731NKSU1AWFF | Odin | 393.72 MB | 2023-09-01 |
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| F731NKSU1AWG3/F731NOKR1AWG3/F731NKSU1AWFF | Odin | 352.65 MB | 2023-07-01 |
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| F731NTCS1AWL2/F731NOKW1AWL2/F731NKSS1AWL1 | Odin | 2.82 GB | 2023-12-01 |
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| F731NTBS1AWL2/F731NOKT1AWL2/F731NKSS1AWL1 | Odin | 3 GB | 2023-12-01 |
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| F731NTCU1BXA1/F731NOKW1BXA1/F731NKSU1BWK3 | Odin | 3.25 GB | 2024-01-01 |
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| F731NTBU1BXA1/F731NOKT1BXA1/F731NKSU1BWK3 | Odin | 3.33 GB | 2024-01-01 |
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| F731NTCS1CXD1/F731NOKW1CXD1/F731NKSS1CXD1 | Odin | 2.24 GB | 2024-04-01 |
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| F731NTBS1CXD1/F731NOKT1CXD1/F731NKSS1CXD1 | Odin | 2.32 GB | 2024-04-01 |
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| F731NKSS1CXD1/F731NOKR1CXD1/F731NKSS1CXD1 | Odin | 2.29 GB | 2024-04-01 |
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| F731NKSU1AWI1/F731NOKR1AWI1/F731NKSU1AWFF | Odin | 2.98 GB | 2023-09-01 |
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| F731NTBU1CXCJ/F731NOKT1CXCJ/F731NKSU1CXC3 | Odin | 2.32 GB | 2024-03-01 |
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| F731NTCU1CXCJ/F731NOKW1CXCJ/F731NKSU1CXC3 | Odin | 2.24 GB | 2024-03-01 |
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| F731NKSU1CXCJ/F731NOKR1CXCJ/F731NKSU1CXC3 | Odin | 2.29 GB | 2024-03-01 |
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| F731NTBS1BXAD/F731NOKT1BXAD/F731NKSS1BXAC | Odin | 3.32 GB | 2024-01-01 |
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| F731NTCS1BXAD/F731NOKW1BXAD/F731NKSS1BXAC | Odin | 3.24 GB | 2024-01-01 |
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| F731NKSS1BXAF/F731NOKR1BXAF/F731NKSS1BXAC | Odin | 3.3 GB | 2024-01-01 |
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| F731NKSU1AWHE/F731NOKR1AWHE/F731NKSU1AWFF | Odin | 334.25 MB | 2023-08-01 |
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| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| CDMA 800 / 1900 | ||
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| HSDPA 850 / 900 / 1900 / 2100 | ||
| CDMA2000 1xEV-DO | ||
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66 - International | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 38, 39, 40, 41, 48, 66, 71 - USA | ||
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 38, 39, 40, 41, 46, 66, 71 - Canada | ||
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International | |
| 2, 5, 48, 66, 77, 78, 257, 260, 261 SA/NSA/Sub6/mmWave - USA (Verizon) | ||
| 2, 5, 38, 41, 66, 71, 78 SA/NSA/Sub6 - Canada | ||
| Speed | HSPA, LTE, 5G |
| Launch | Announced | 2023, July 26 |
|---|---|---|
| Status | Available. Released 2023, August 11 |
| Body | Dimensions | Unfolded: 165.1 x 71.9 x 6.9 mm Folded: 85.1 x 71.9 x 15.1 mm |
|---|---|---|
| Weight | 187 g (6.60 oz) | |
| Build | Plastic front (unfolded), glass back (Gorilla Glass Victus 2), aluminum frame | |
| SIM | Nano-SIM + eSIM | |
| IPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame |
| Display | Type | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1750 nits (peak) |
|---|---|---|
| Size | 6.7 inches, 102.0 cm2 (~85.9% screen-to-body ratio) | |
| Resolution | 1080 x 2640 pixels (~425 ppi density) | |
| Cover display: Super AMOLED, 60Hz, 3.4 inches, 720 x 748 pixels (Gorilla Glass Victus 2), 306 ppi |
| Platform | OS | Android 13, upgradable to Android 16, One UI 8.5 |
|---|---|---|
| Chipset | Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) | |
| CPU | Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) | |
| GPU | Adreno 740 |
| Memory | Card slot | No |
|---|---|---|
| Internal | 256GB 8GB RAM, 512GB 8GB RAM | |
| UFS 4.0 |
| Main Camera | Dual | 12 MP, f/1.8, 24mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.06", 1.12µm |
|---|---|---|
| Features | LED flash, HDR, panorama | |
| Video | 4K@30/60fps, 1080p@60/240fps, HDR10+ |
| Selfie camera | Single | 10 MP, f/2.2, 23mm (wide), 1/3.0", 1.22µm |
|---|---|---|
| Features | HDR | |
| Video | 4K@30fps |
| Sound | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
| 32-bit/384kHz audio |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | |
| Radio | No | |
| USB | USB Type-C 3.2, OTG |
| Features | Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer |
|---|
| Battery | Type | Li-Po 3700 mAh |
|---|---|---|
| Charging | 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless |
| Misc | Colors | Mint, Graphite, Cream, Lavender, Gray, Blue, Green, Yellow |
|---|---|---|
| Models | SM-F731B, SM-F731B/DS, SM-F731U, SM-F731U1, SM-F731W, SM-F731N | |
| SAR | 1.17 W/kg (head) | |
| SAR EU | 0.60 W/kg (head) 1.45 W/kg (body) | |
| Price | $ 295.01 / € 410.89 / £ 270.00 |
| Our Tests | Performance | AnTuTu: 1200783 (v9), 1507319 (v10) GeekBench: 5478 (v5.5), 4984 (v6.0) GFXBench: 91fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 1101 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -27.1 LUFS (Good) | |
| Battery | Active use score 9:29h | |
| Battery (old) | Endurance rating 87h | |
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.
A: Samsung Galaxy Z Flip5 (Korea) firmware is flashed using Odin. See the step-by-step guide above for the full procedure.
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.
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.
