Samsung Galaxy S21+ (Korea) is a samsung device (codename: sm-g996n). FirmwareMirror hosts 56 verified firmware builds, covering: KOO, KTC. Available as official firmware. Last updated: January 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy S21+ (Korea) (sm-g996n). 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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| G996NKSSCHZA9/G996NOKRCHZA9/G996NKOSCHZA5 | Odin | 316.19 MB | 2026-01-01 |
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| G996NKSS9HYE5/G996NOKR9HYE5/G996NKOS9HYE5 | Odin | 315.04 MB | 2025-05-01 |
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| G996NKSU8HYD9/G996NOKR8HYD9/G996NKOU8HYD9 | Odin | 331.85 MB | 2025-04-01 |
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| G996NKSS8GYC1/G996NOKR8GYC1/G996NKOS8GYC1 | Odin | 3.27 GB | 2025-03-01 |
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| G996NKSS8GYA1/G996NOKR8GYA1/G996NKOS8GYA1 | Odin | 266.36 MB | 2025-01-01 |
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| G996NKSS8GXL1/G996NOKR8GXL1/G996NKOS8GXL1 | Odin | 283.41 MB | 2024-12-01 |
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| G996NKSS8GXK1/G996NOKR8GXK1/G996NKOS8GXK1 | Odin | 315.87 MB | 2024-11-01 |
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| G996NKSS7GXJ1/G996NOKR7GXJ1/G996NKOS7GXJ1 | Odin | 321.98 MB | 2024-10-01 |
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| G996NKSS6GXI2/G996NOKR6GXI2/G996NKOS6GXI2 | Odin | 339.38 MB | 2024-09-01 |
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| G996NKSS6GXG2/G996NOKR6GXG2/G996NKOS6GXG2 | Odin | 348.79 MB | 2024-07-01 |
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| G996NKSS6GXGJ/G996NOKR6GXGJ/G996NKOS6GXGJ | Odin | 345.91 MB | 2024-07-01 |
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| G996NKSSCHZA5/G996NOKRCHZA5/G996NKOSCHZA5 | Odin | 247.88 MB | 2026-01-01 |
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| G996NKSSBHYK5/G996NOKRBHYK5/G996NKOSBHYK5 | Odin | 277.38 MB | 2025-11-01 |
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| G996NKSSAHYH5/G996NOKRAHYH5/G996NKOSAHYH5 | Odin | 299.25 MB | 2025-08-01 |
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| G996NKSS5GXF1/G996NOKR5GXF1/G996NKOS5GXF1 | Odin | 350.51 MB | 2024-06-01 |
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| G996NKSS5GXE1/G996NOKR5GXE1/G996NKOS5GXE1 | Odin | 352.99 MB | 2024-05-01 |
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| G996NKSU4ZWI9/G996NOKR4ZWI9/G996NKOU4FWI8 | Odin | 1.05 GB | 2023-09-01 |
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| G996NKSU4EWE9/G996NOKR4EWE9/G996NKOU4EWE2 | Odin | 1.23 GB | 2023-05-01 |
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| G996NKSU4FWK7/G996NOKR4FWK7/G996NKOU4FWK6 | Odin | 2.14 GB | 2023-11-01 |
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| G996NKSU4EWH5/G996NOKR4EWH5/G996NKOU4EWH5 | Odin | 249.83 MB | 2023-08-01 |
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| G996NKSU4FXD3/G996NOKR4FXD3/G996NKOU4FXD1 | Odin | 2.12 GB | 2024-04-01 |
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| G996NKSS4EWK2/G996NOKR4EWK2/G996NKOU4EWH5 | Odin | 2.31 GB | 2023-11-01 |
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| G996NKSS4FXAD/G996NOKR4FXAD/G996NKOU4FWK6 | Odin | 2.13 GB | 2024-01-01 |
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| G996NKSU4GXDC/G996NOKR4GXDC/G996NKOU4GXDA | Odin | 352.63 MB | 2024-04-01 |
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| G996NKSU4EWCH/G996NOKR4EWCH/G996NKOU4EWCG | Odin | 1.63 GB | 2023-03-01 |
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| G996NKSU3BUK9/G996NOKR3BUK9/G996NKOU3BUK9 | Odin | 2 GB | 2021-11-01 |
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| G996NKSU3AUE8/G996NOKR3AUE8/G996NKOU3AUE6 | Odin | 966.02 MB | 2021-05-01 |
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| G996NKSU3CVH7/G996NOKR3CVH7/G996NKOU3CVH1 | Odin | 217.16 MB | 2022-08-01 |
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| G996NKSU3AUF6/G996NOKR3AUF6/G996NKOU3AUF6 | Odin | 926.38 MB | 2021-06-01 |
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| G996NKSU3CVC5/G996NOKR3CVC5/G996NKOU3CVB8 | Odin | 1.29 GB | 2022-03-01 |
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| G996NKSS3CVI3/G996NOKR3CVI3/G996NKOU3CVH1 | Odin | 2.17 GB | 2022-09-01 |
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| G996NKSU3DVL2/G996NOKR3DVL2/G996NKOU3DVL1 | Odin | 2.08 GB | 2022-12-01 |
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| G996NKSU3BVA2/G996NOKR3BVA2/G996NKOU3BVA1 | Odin | 1.95 GB | 2022-01-01 |
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| G996NKSU3EWB1/G996NOKR3EWB1/G996NKOU3EWA9 | Odin | 1.68 GB | 2023-02-01 |
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| G996NKSU3CVF1/G996NOKR3CVF1/G996NKOU3CVE9 | Odin | 591.13 MB | 2022-06-01 |
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| G996NKSU3CVE1/G996NOKR3CVE1/G996NKOU3CVD9 | Odin | 994.61 MB | 2022-05-01 |
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| G996NKSU3CVEB/G996NOKR3CVEB/G996NKOU3CVE9 | Odin | 593.81 MB | 2022-05-01 |
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| G996NKSU3CVDD/G996NOKR3CVDD/G996NKOU3CVD9 | Odin | 1009.99 MB | 2022-04-01 |
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| G996NKSU3DVJC/G996NOKR3DVJC/G996NKOU3DVJ8 | Odin | 2.14 GB | 2022-10-01 |
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| G996NKSU3DVKC/G996NOKR3DVKC/G996NKOU3DVK6 | Odin | 2.09 GB | 2022-11-01 |
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| G996NKSU3CVGB/G996NOKR3CVGB/G996NKOU3CVGB | Odin | 553.12 MB | 2022-07-01 |
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| G996NKSS3BULC/G996NOKR3BULC/G996NKOU3BUKF | Odin | 1.99 GB | 2021-12-01 |
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| G996NKSU3BULF/G996NOKR3BULF/G996NKOU3BULG | Odin | 1.95 GB | 2021-12-01 |
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| G996NKSU3BUKG/G996NOKR3BUKG/G996NKOU3BUKF | Odin | 1.99 GB | 2021-11-01 |
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| G996NKSS3AUIN/G996NOKR3AUIN/G996NKOU3AUIG | Odin | 21.91 MB | 2021-09-01 |
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| G996NKSU3AUIG/G996NOKR3AUIG/G996NKOU3AUIG | Odin | 221.27 MB | 2021-09-01 |
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| G996NKSU3AUHB/G996NOKR3AUHB/G996NKOU3AUHB | Odin | 274.75 MB | 2021-08-01 |
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| G996NKSU3AUGM/G996NOKR3AUGM/G996NKOU3AUGA | Odin | 871.53 MB | 2021-07-01 |
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| G996NKSU3AUDA/G996NOKR3AUDA/G996NKOU3AUDA | Odin | 1.01 GB | 2021-04-01 |
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| G996NKSU2AUC8/G996NOKR2AUC8/G996NKOU2AUC8 | Odin | 1.58 GB | 2021-03-01 |
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| G996NKSS2AUBB/G996NOKR2AUBB/G996NKOU2AUBB | Odin | 1.66 GB | 2021-02-01 |
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| G996NKSU1AUB8/G996NOKR1AUB8/G996NKOU1AUB7 | Odin | 1.66 GB | 2021-02-01 |
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| G996NKSU1AUA4/G996NOKR1AUA4/G996NKOU1AUA4 | Odin | 1.64 GB | 2021-01-01 |
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| G996NKSU1AUB2/G996NOKR1AUB2/G996NKOU1AUB1 | Odin | 1.68 GB | 2021-02-01 |
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| G996NKSU1AUAA/G996NOKR1AUAA/G996NKOU1AUA9 | Odin | 1.67 GB | 2021-01-01 |
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| G996NKSU1ATLM/G996NOKR1ATLM/G996NKOU1ATLM | Odin | 1.79 GB | N/A |
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Also known as Samsung Galaxy S21 Plus 5G
Versions: SM-G996B, SM-G996B/DS (International); SM-G996U (USA); SM-G996U1 (USA unlocked); SM-G996W (Canada); SM-G996N (Korea); SM-G9960 (China)
| 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, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G996U1 | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G996B | ||
| 5G bands | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G996U1 | |
| 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G996B | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) |
| Launch | Announced | 2021, January 14 |
|---|---|---|
| Status | Available. Released 2021, January 29 |
| Body | Dimensions | 161.5 x 75.6 x 7.8 mm (6.36 x 2.98 x 0.31 in) |
|---|---|---|
| Weight | 200 g (Sub6), 202 g (mmWave) (7.05 oz) | |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | |
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) | |
| IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Display | Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
|---|---|---|
| Size | 6.7 inches, 107.8 cm2 (~88.3% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~394 ppi density) | |
| Protection | Corning Gorilla Glass Victus |
| Platform | OS | Android 11, up to 4 major Android upgrades, One UI 7 |
|---|---|---|
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China | |
| CPU | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China | |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
| Memory | Card slot | No |
|---|---|---|
| Internal | 128GB 8GB RAM, 256GB 8GB RAM | |
| UFS 3.1 |
| Main Camera | Triple | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid 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@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera | Single | 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF |
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| Features | HDR | |
| 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/6, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | |
| USB | USB Type-C 3.2, OTG |
| Features | Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
|---|---|---|
| Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support |
| Battery | Type | Li-Ion 4800 mAh |
|---|---|---|
| Charging | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| Misc | Colors | Phantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red |
|---|---|---|
| Models | SM-G996B, SM-G996B/DS, SM-G996U, SM-G996U1, SM-G996W, SM-G996N, SM-G9960 | |
| SAR | 0.65 W/kg (head) 0.95 W/kg (body) | |
| SAR EU | 0.54 W/kg (head) 1.33 W/kg (body) | |
| Price | $ 170.00 / € 180.99 / £ 254.00 |
| Our Tests | Performance | AnTuTu: 622276 (v8) GeekBench: 3476 (v5.1) GFXBench: 54fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 883 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -25.8 LUFS (Very good) | |
| Battery (old) | Endurance rating 114h | |
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 S21+ (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.
