Samsung Galaxy S24 is a samsung device (codename: sm-s921b). FirmwareMirror hosts 59 verified firmware builds, covering: EUX, CHE, AFR, CAU, CHO. Available as official firmware. Last updated: April 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy S24 (sm-s921b). 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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| S921BXXU9CYI5/S921BOXM9CYI5/S921BXXU9CYI5 | Odin | 366.93 MB | 2025-09-01 |
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| S921BXXS9BYH3/S921BOWO9BYH3/S921BXXS9BYH3 | Odin | 3.21 GB | 2025-08-01 |
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| S921BXXS9BYH2/S921BOXM9BYH2/S921BXXS9BYH2 | Odin | 3.03 GB | 2025-08-01 |
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| S921BXXS9BYH1/S921BOXM9BYH1/S921BXXS9BYH1 | Odin | 3.1 GB | 2025-08-01 |
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| S921BXXSBCYK8/S921BOXMBCYK8/S921BXXSBCYK8 | Odin | 313.67 MB | 2025-11-01 |
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| S921BXXS8BYG3/S921BOWO8BYG3/S921BXXS8BYG3 | Odin | 302.5 MB | 2025-07-01 |
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| S921BXXS8BYG2/S921BOXM8BYG2/S921BXXS8BYG2 | Odin | 301.88 MB | 2025-07-01 |
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| S921BXXS8BYG1/S921BOXM8BYG1/S921BXXS8BYG1 | Odin | 303.22 MB | 2025-07-01 |
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| S921BXXSACYJ7/S921BOXMACYJ7/S921BXXSACYJ7 | Odin | 364.3 MB | 2025-10-01 |
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| S921BXXS7BYEB/S921BOXM7BYEB/S921BXXS7BYEB | Odin | 316.36 MB | 2025-05-01 |
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| S921BXXS7BYEC/S921BOXM7BYEC/S921BXXS7BYEC | Odin | 316.84 MB | 2025-05-01 |
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| S921BXXS7BYED/S921BOWO7BYED/S921BXXS7BYED | Odin | 314.45 MB | 2025-05-01 |
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| S921BXXU6BYE7/S921BOXM6BYE7/S921BXXU6BYE7 | Odin | 321.04 MB | 2025-05-01 |
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| S921BXXS6BYE6/S921BOWO6BYE6/S921BXXS6BYE4 | Odin | 318.44 MB | 2025-05-01 |
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| S921BXXS6BYE3/S921BOXM6BYE3/S921BXXS6BYE3 | Odin | 321.68 MB | 2025-05-01 |
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| S921BXXU5BYD9/S921BOXM5BYD9/S921BXXU5BYD9 | Odin | 351.14 MB | 2025-04-01 |
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| S921BXXS5AYB8/S921BOXM5AYB8/S921BXXS5AYB8 | Odin | 4.85 GB | 2025-02-01 |
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| S921BXXS5AXJ8/S921BOXM5AXJ8/S921BXXS5AXJ8 | Odin | 414.07 MB | 2024-10-01 |
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| S921BXXS5AYB7/S921BOXM5AYB7/S921BXXS5AYB7 | Odin | 4.85 GB | 2025-02-01 |
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| S921BXXS5AYB6/S921BOXM5AYB6/S921BXXS5AYB6 | Odin | 4.85 GB | 2025-02-01 |
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| S921BXXU5AYA5/S921BOXM5AYA5/S921BXXU5AYA7 | Odin | 288.68 MB | 2025-01-01 |
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| S921BXXU5AXK5/S921BOXM5AXK5/S921BXXU5AXK5 | Odin | 309.21 MB | 2024-11-01 |
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| S921BXXU5AXK4/S921BOXM5AXK4/S921BXXU5AXK4 | Odin | 303.8 MB | 2024-11-01 |
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| S921BXXS5AYB2/S921BOXM5AYB2/S921BXXS5AYB2 | Odin | 270.29 MB | 2025-02-01 |
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| S921BXXS5AYA2/S921BOXM5AYA2/S921BXXS5AYA2 | Odin | 290.99 MB | 2025-01-01 |
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| S921BXXS5AYB1/S921BOXM5AYB1/S921BXXS5AYB1 | Odin | 274.78 MB | 2025-02-01 |
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| S921BXXS5AYA1/S921BOXM5AYA1/S921BXXS5AYA1 | Odin | 285.41 MB | 2025-01-01 |
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| S921BXXU5BYDA/S921BOWO5BYDA/S921BXXU5BYDA | Odin | 349.75 MB | 2025-04-01 |
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| S921BXXU5BYCG/S921BOXM5BYCG/S921BXXU5BYCG | Odin | 988.15 MB | 2025-03-01 |
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| S921BXXS5AYAA/S921BOXM5AYAA/S921BXXS5AYAA | Odin | 276 MB | 2025-01-01 |
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| S921BXXS5AXKA/S921BOXM5AXKA/S921BXXS5AXKA | Odin | 302.09 MB | 2024-11-01 |
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| S921BXXS5AXKB/S921BOXM5AXKB/S921BXXS5AXKB | Odin | 302.01 MB | 2024-11-01 |
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| S921BXXS4AXI8/S921BOXM4AXI8/S921BXXS4AXI8 | Odin | 427.97 MB | 2024-09-01 |
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| S921BXXU3AXH7/S921BOXM3AXH7/S921BXXU3AXH7 | Odin | 431.08 MB | 2024-08-01 |
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| S921BXXS3AXHD/S921BOXM3AXHD/S921BXXS3AXHD | Odin | 426.44 MB | 2024-08-01 |
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| S921BXXS3AXGF/S921BOXM3AXGF/S921BXXS3AXGF | Odin | 2.65 GB | 2024-07-01 |
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| S921BXXS3AXGD/S921BOXM3AXGD/S921BXXS3AXGD | Odin | 2.65 GB | 2024-07-01 |
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| S921BXXS3AXFC/S921BOXM3AXFC/S921BXXS3AXFC | Odin | 2.67 GB | 2024-06-01 |
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| S921BXXS3AXFE/S921BOXM3AXFE/S921BXXS3AXFE | Odin | 2.67 GB | 2024-06-01 |
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| S921BXXUDCZC2/S921BOXMDCZC2/S921BXXUDCZC2 | Odin | 290.78 MB | 2026-03-01 |
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| S921BXXSDCZB2/S921BOXMDCZB2/S921BXXSDCZB2 | Odin | 160.12 MB | 2026-02-01 |
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| S921BXXSBCYK2/S921BOXMBCYK2/S921BXXSBCYK2 | Odin | 359.66 MB | 2025-11-01 |
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| S921BXXS2AXD6/S921BOXM2AXD6/S921BXXS2AXD6 | Odin | 2.67 GB | 2024-04-01 |
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| S921BXXS2AXD5/S921BOXM2AXD5/S921BXXS2AXD5 | Odin | 2.67 GB | 2024-04-01 |
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| S921BXXU2AXEC/S921BOXM2AXEC/S921BXXU2AXEC | Odin | 2.67 GB | 2024-05-01 |
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| S921BXXS2AXED/S921BOXM2AXED/S921BXXS2AXED | Odin | 2.67 GB | 2024-05-01 |
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| S921BXXS2AXEF/S921BOXM2AXEF/S921BXXS2AXEF | Odin | 2.67 GB | 2024-05-01 |
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| S921BXXSECZD1/S921BOWOECZD1/S921BXXSECZD1 | Odin | 318.44 MB | 2026-04-01 |
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| S921BXXSCCZA1/S921BOXMCCZA1/S921BXXSCCZA1 | Odin | 301.4 MB | 2026-01-01 |
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| S921BXXU1AWM9/S921BOXM1AWM9/S921BXXU1AWM9 | Odin | 2.72 GB | N/A |
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| S921BXXU1AXB7/S921BOWO1AXB7/S921BXXU1AXB7 | Odin | 649.3 MB | 2024-02-01 |
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| S921BXXU1AXB5/S921BOXM1AXB5/S921BXXU1AXB5 | Odin | 2.71 GB | 2024-02-01 |
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| S921BXXU1AXCA/S921BOXM1AXCA/S921BXXU1AXCA | Odin | 2.67 GB | 2024-03-01 |
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| S921BXXU1AXCB/S921BOXM1AXCB/S921BXXU1AXCY | Odin | 2.67 GB | 2024-03-01 |
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| S921BXXU1AXBA/S921BOXM1AXBA/S921BXXU1AXBA | Odin | 2.71 GB | 2024-02-01 |
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| S921BXXS1AXBG/S921BOXM1AXBG/S921BXXS1AXBG | Odin | 2.71 GB | 2024-02-01 |
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| S921BXXS1AXBN/S921BOXM1AXBN/S921BXXS1AXBN | Odin | 2.71 GB | 2024-02-01 |
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| S921BXXS1AXBL/S921BOWO1AXBL/S921BXXS1AXBL | Odin | 663.72 MB | 2024-02-01 |
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| S921BXXUEDZDR/S921BOXMEDZDR/S921BXXUEDZDR | Odin | 414.07 MB | 2026-04-01 |
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| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| CDMA 800 / 1900 & TD-SCDMA | ||
| 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, 48, 66, 71 - USA | ||
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International | |
| 1, 7, 25, 28, 41, 66, 71, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA | ||
| Speed | HSPA, LTE (CA), 5G |
| Launch | Announced | 2024, January 17 |
|---|---|---|
| Status | Available. Released 2024, January 24 |
| Body | Dimensions | 147 x 70.6 x 7.6 mm (5.79 x 2.78 x 0.30 in) |
|---|---|---|
| Weight | 167 g or 168 g (5.89 oz) | |
| Build | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame | |
| SIM | · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT · Nano-SIM + eSIM + eSIM (max 2 at a time) - USA · Nano-SIM + Nano-SIM - CN | |
| IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame |
| Display | Type | Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) |
|---|---|---|
| Size | 6.2 inches, 94.4 cm2 (~90.9% screen-to-body ratio) | |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density) | |
| Protection | Corning Gorilla Glass Victus 2 |
| Platform | OS | Android 14, up to 7 major Android upgrades, One UI 8.5 |
|---|---|---|
| Chipset | Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) - USA/Canada/China Exynos 2400 (4 nm) - International | |
| CPU | 8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520) 10-core (1x3.2GHz Cortex-X4 & 2x2.9GHz Cortex-A720 & 3x2.6GHz Cortex-A720 & 4x1.95GHz Cortex-A520) | |
| GPU | Adreno 750 (1 GHz) - USA/Canada/China Xclipse 940 - International |
| Memory | Card slot | No |
|---|---|---|
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM | |
| UFS 3.1 - 128GB only UFS 4.0 |
| Main Camera | Triple | 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video |
|---|---|---|
| Features | LED flash, auto-HDR, panorama | |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera | Single | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
|---|---|---|
| Features | HDR, HDR10+ | |
| Video | 4K@30/60fps, 1080p@30fps |
| 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, tri-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS, GALILEO, QZSS | |
| NFC | Yes | |
| Radio | No | |
| USB | USB Type-C 3.2, DisplayPort 1.2, OTG |
| Features | Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
|---|---|---|
| Samsung DeX, Samsung Wireless DeX (desktop experience support) |
| Battery | Type | Li-Ion 4000 mAh |
|---|---|---|
| Charging | 25W wired, PD3.0, 50% in 30 min 15W wireless (Qi) 4.5W reverse wireless |
| Misc | Colors | Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue |
|---|---|---|
| Models | SM-S921B, SM-S921B/DS, SM-S921U, SM-S921U1, SM-S921W, SM-S921N, SM-S9210, SM-S921E, SM-S921E/DS | |
| SAR | 1.23 W/kg (head) 1.10 W/kg (body) | |
| SAR EU | 0.87 W/kg (head) 1.35 W/kg (body) | |
| Price | $ 268.99 / € 438.04 / £ 292.03 / ₹ 45,000 |
| Our Tests | Performance | AnTuTu: 1218977 (v9), 1696727 (v10) GeekBench: 5833 (v5), 6747 (v6) 3DMark: 4183 (Wild Life Extreme) |
|---|---|---|
| Display | 1401 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -25.2 LUFS (Very good) | |
| Battery | Active use score 12:06h | |
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 S24 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.
