Samsung Galaxy Z Fold4 is a samsung device (codename: sm-f936b). FirmwareMirror hosts 73 verified firmware builds, covering: ACR, ARO, BTB, XSA, ZTO. Available as official firmware. Last updated: May 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy Z Fold4 (sm-f936b). 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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| F936BXXUAHYD9/F936BOXMAHYD9/F936BXXUAHYD9 | Odin | 486.08 MB | 2025-04-01 |
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| F936BXXU9GXK8/F936BOXM9GXK8/F936BXXU9GXK8 | Odin | 487.04 MB | 2024-11-01 |
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| F936BXXS9GYA5/F936BOXM9GXK8/F936BXXU9GXK8 | Odin | 422.08 MB | 2025-01-01 |
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| F936BXXS9GXLF/F936BOXM9GXK8/F936BXXU9GXK8 | Odin | 445.63 MB | 2024-12-01 |
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| F936BXXS9GXKC/F936BOXM9GXK8/F936BXXU9GXK8 | Odin | 477.81 MB | 2024-11-01 |
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| F936BXXS9GXJA/F936BOXM9GXJA/F936BXXS9GXJA | Odin | 631.55 MB | 2024-10-01 |
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| F936BXXU8GXH9/F936BOXM8GXH9/F936BXXU8GXH9 | Odin | 671.52 MB | 2024-08-01 |
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| F936BXXS8FXG7/F936BOWO8FXF2/F936BXXS8FXF2 | Odin | 2.79 GB | 2024-07-01 |
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| F936BXXS8FXG6/F936BOWO8FXF2/F936BXXS8FXF2 | Odin | 2.79 GB | 2024-07-01 |
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| F936BXXS8FXF5/F936BOXM8FXF2/F936BXXS8FXF2 | Odin | 2.81 GB | 2024-06-01 |
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| F936BXXS8FXG4/F936BOXM8FXF2/F936BXXS8FXF2 | Odin | 2.8 GB | 2024-07-01 |
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| F936BXXS8FXF4/F936BOXM8FXF1/F936BXXS8FXF1 | Odin | 2.81 GB | 2024-06-01 |
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| F936BXXS8FXG3/F936BOXM8FXF1/F936BXXS8FXF1 | Odin | 2.81 GB | 2024-07-01 |
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| F936BXXS8GXIC/F936BOXM8GXH9/F936BXXS8GXIC | Odin | 666.86 MB | 2024-09-01 |
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| F936BXXS7FXE7/F936BOWO7FXE6/F936BXXS7FXE6 | Odin | 2.78 GB | 2024-05-01 |
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| F936BXXS7FXE6/F936BOXM7FXE6/F936BXXS7FXE6 | Odin | 2.81 GB | 2024-05-01 |
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| F936BXXU7FXE5/F936BOXM7FXE5/F936BXXU7FXE5 | Odin | 2.81 GB | 2024-05-01 |
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| F936BXXS7FXF1/F936BOWO7FXE6/F936BXXS7FXE6 | Odin | 2.77 GB | 2024-06-01 |
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| F936BXXS7FXEB/F936BOXM7FXE6/F936BXXS7FXE6 | Odin | 2.81 GB | 2024-05-01 |
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| F936BXXS7FXEA/F936BOXM7FXE5/F936BXXU7FXE5 | Odin | 2.81 GB | 2024-05-01 |
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| F936BXXSBIZB6/F936BOXMBIZB6/F936BXXSBIZB6 | Odin | 275.01 MB | 2026-02-01 |
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| F936BXXU6FXE4/F936BOWO6FXE3/F936BXXU6FXE3 | Odin | 503.88 MB | 2024-05-01 |
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| F936BXXU6FXE3/F936BOXM6FXE3/F936BXXU6FXE3 | Odin | 2.81 GB | 2024-05-01 |
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| F936BXXS5EXD1/F936BOXM5EXAB/F936BXXS5EXD1 | Odin | 3.69 GB | 2024-04-01 |
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| F936BXXS5EXBF/F936BOXM5EXAB/F936BXXS5EXAB | Odin | 3.69 GB | 2024-02-01 |
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| F936BXXS5EXAB/F936BOXM5EXAB/F936BXXS5EXAB | Odin | 3.69 GB | 2024-01-01 |
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| F936BXXS4CWG6/F936BOWO4CWG6/F936BXXS4CWG4 | Odin | 2.72 GB | 2023-07-01 |
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| F936BXXU4DWH5/F936BOXM4DWH5/F936BXXU4DWH5 | Odin | 427.22 MB | 2023-08-01 |
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| F936BXXS4EWL5/F936BOXM4EWL3/F936BXXS4EWL5 | Odin | 3.7 GB | 2023-12-01 |
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| F936BXXS4EWL5/F936BOXM4EWL1/F936BXXS4EWL5 | Odin | 3.7 GB | 2023-12-01 |
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| F936BXXS4DWJ4/F936BOWO4DWI3/F936BXXS4DWJ1 | Odin | 3.08 GB | 2023-10-01 |
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| F936BXXU4DWI3/F936BOWO4DWI3/F936BXXU4DWH5 | Odin | 411.58 MB | 2023-09-01 |
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| F936BXXS4DWJ2/F936BOXM4DWH5/F936BXXS4DWJ1 | Odin | 3.06 GB | 2023-10-01 |
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| F936BXXS4DWI1/F936BOXM4DWH5/F936BXXU4DWH5 | Odin | 385.64 MB | 2023-09-01 |
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| F936BXXS4DWJ1/F936BOWO4DWI3/F936BXXU4DWH5 | Odin | 388.37 MB | 2023-10-01 |
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| F936BXXU4EWL1/F936BOXM4EWL3/F936BXXU4EWL1 | Odin | 3.7 GB | 2023-12-01 |
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| F936BXXU4EWL1/F936BOXM4EWL1/F936BXXU4EWL1 | Odin | 3.7 GB | 2023-12-01 |
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| F936BXXS4DWHA/F936BOXM4DWH5/F936BXXU4DWH5 | Odin | 411.57 MB | 2023-08-01 |
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| F936BXXSAIYK3/F936BOXMAIYIF/F936BXXUAIYIF | Odin | 531.54 MB | 2025-11-01 |
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| F936BXXU3CWE8/F936BOWO3CWE8/F936BXXU3CWE6 | Odin | 2.74 GB | 2023-05-01 |
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| F936BXXU3CWE6/F936BOXM3CWE6/F936BXXU3CWE6 | Odin | 2.72 GB | 2023-05-01 |
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| F936BXXS3CWF5/F936BOWO3CWE8/F936BXXU3CWE6 | Odin | 2.72 GB | 2023-06-01 |
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| F936BXXS3CWF3/F936BOXM3CWE6/F936BXXU3CWE6 | Odin | 2.7 GB | 2023-06-01 |
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| F936BXXSAHYE2/F936BOXMAHYD9/F936BXXUAHYD9 | Odin | 452.11 MB | 2025-05-01 |
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| F936BXXSCIZE2/F936BOXMCIZE2/F936BXXSCIZE2 | Odin | 275.01 MB | 2026-05-01 |
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| F936BXXSAGYB2/F936BOXMAGYB2/F936BXXSAGYB2 | Odin | 4.34 GB | 2025-02-01 |
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| F936BXXS2CWD9/F936BOXM2CWCC/F936BXXU2CWCC | Odin | 2.74 GB | 2023-04-01 |
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| F936BXXS2CWB5/F936BOXM2CWB5/F936BXXS2CWB5 | Odin | 2.97 GB | 2023-02-01 |
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| F936BXXS2CWE2/F936BOWO2CWD1/F936BXXU2CWD1 | Odin | 2.76 GB | 2023-05-01 |
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| F936BXXU2CWD1/F936BOWO2CWD1/F936BXXU2CWD1 | Odin | 537.27 MB | 2023-04-01 |
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| F936BXXU2CWCC/F936BOXM2CWCC/F936BXXU2CWCC | Odin | 2.74 GB | 2023-03-01 |
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| F936BXXSAHYI1/F936BOXMAHYD9/F936BXXUAHYD9 | Odin | 3.15 GB | 2025-09-01 |
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| F936BXXSBIZD1/F936BOXMBIZB6/F936BXXSBIZD1 | Odin | 442.23 MB | 2026-04-01 |
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| F936BXXSBIZC1/F936BOXMBIZB6/F936BXXSBIZC1 | Odin | 469.24 MB | 2026-03-01 |
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| F936BXXSCIZE1/F936BOXMCIZE1/F936BXXSCIZE1 | Odin | 3.15 GB | 2026-05-01 |
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| F936BXXSAIZA1/F936BOXMAIYIF/F936BXXUAIYIF | Odin | 451.28 MB | 2026-01-01 |
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| F936BXXSAIYL1/F936BOXMAIYIF/F936BXXUAIYIF | Odin | 475.25 MB | 2025-12-01 |
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| F936BXXU1BVL7/F936BOXM1BVL7/F936BXXU1BVL7 | Odin | 3.34 GB | 2022-12-01 |
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| F936BXXU1BVK7/F936BOXM1BVK7/F936BXXU1BVK3 | Odin | 3.4 GB | 2022-11-01 |
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| F936BXXU1BVK3/F936BOXM1BVK3/F936BXXU1BVK3 | Odin | 3.4 GB | 2022-11-01 |
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| F936BXXS1AVJ3/F936BOXM1AVIG/F936BXXU1AVIG | Odin | 2.85 GB | 2022-10-01 |
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| F936BXXS1BWA2/F936BOXM1BVL7/F936BXXU1BVL7 | Odin | 3.34 GB | 2023-01-01 |
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| F936BXXS1BVKE/F936BOXM1BVK7/F936BXXU1BVK3 | Odin | 3.4 GB | 2022-11-01 |
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| F936BXXS1BVKC/F936BOXM1BVK3/F936BXXU1BVK3 | Odin | 3.4 GB | 2022-11-01 |
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| F936BXXU1CWAC/F936BOXM1CWAC/F936BXXU1CWAC | Odin | 2.97 GB | 2023-01-01 |
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| F936BXXS1AVJE/F936BOWO1AVII/F936BXXU1AVIG | Odin | 2.85 GB | 2022-10-01 |
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| F936BXXU1AVIG/F936BOXM1AVIG/F936BXXU1AVIG | Odin | 343.24 MB | 2022-09-01 |
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| F936BXXU1AVHH/F936BOXM1AVHH/F936BXXU1AVHH | Odin | 1.39 GB | 2022-08-01 |
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| F936BXXU1AVGA/F936BOXM1AVGA/F936BXXU1AVGA | Odin | 1.39 GB | 2022-07-01 |
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| F936BXXSAHYGB/F936BOXMAHYD9/F936BXXUAHYD9 | Odin | 389.13 MB | 2025-07-01 |
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| F936BXXSAHYFD/F936BOXMAHYD9/F936BXXUAHYD9 | Odin | 419.6 MB | 2025-06-01 |
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| F936BXXSAHYER/F936BOXMAHYD9/F936BXXUAHYD9 | Odin | 439.73 MB | 2025-05-01 |
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| F936BXXUAIYIF/F936BOXMAIYIF/F936BXXUAIYIF | Odin | 537.32 MB | 2025-09-01 |
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Also known as Samsung Galaxy Fold 4 5G
| 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 | |
| CDMA2000 1xEV-DO | ||
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA | ||
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International | |
| 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G |
| Launch | Announced | 2022, August 10 |
|---|---|---|
| Status | Available. Released 2022, August 25 |
| Body | Dimensions | Unfolded: 155.1 x 130.1 x 6.3 mm Folded: 155.1 x 67.1 x 14.2-15.8 mm |
|---|---|---|
| Weight | 263 g (9.28 oz) | |
| Build | Glass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame | |
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) | |
| IPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame Stylus support |
| Display | Type | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) |
|---|---|---|
| Size | 7.6 inches, 183.2 cm2 (~90.9% screen-to-body ratio) | |
| Resolution | 1812 x 2176 pixels (~373 ppi density) | |
| Cover display: Dynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus+ 6.2 inches, 904 x 2316 pixels, 23.1:9 ratio |
| Platform | OS | Android 12L, up to 4 major Android upgrades, One UI 6.1.1 |
|---|---|---|
| Chipset | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) | |
| CPU | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | |
| GPU | Adreno 730 |
| Memory | Card slot | No |
|---|---|---|
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM | |
| UFS 3.1 |
| Main Camera | Triple | 50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 66mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm |
|---|---|---|
| Features | LED flash, HDR, panorama | |
| Video | 8K@24fps, 4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+ |
| Selfie camera | Single | 4 MP, f/1.8, 26mm (wide), 1/3.0", 2.0µm, under display Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.0", 1.22µm |
|---|---|---|
| Features | HDR | |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Sound | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
| High-bitrate audio support |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | |
| 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 |
|---|---|---|
| Samsung DeX (desktop experience support) Ultra Wideband (UWB) support |
| Battery | Type | Li-Po 4400 mAh |
|---|---|---|
| Charging | 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless |
| Misc | Colors | Graygreen, Phantom Black, Beige, Burgundy |
|---|---|---|
| Models | SM-F936B, SM-F936B/DS, SM-F936U, SM-F936U1, SM-F936N, SM-F936W, SM-F9360 | |
| SAR | 0.96 W/kg (head) 0.92 W/kg (body) | |
| SAR EU | 1.30 W/kg (head) 1.51 W/kg (body) | |
| Price | $ 599.00 / € 463.47 / £ 447.00 / ₹ 79,999 |
| Our Tests | Performance | AnTuTu: 964530 (v9) GeekBench: 3981 (v5.1) GFXBench: 43fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 1000 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -28.3 LUFS (Average) | |
| Battery (old) | Endurance rating 101h | |
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 Fold4 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.
