Samsung Galaxy A42 5G (Korea) is a samsung device (codename: sm-a426n). FirmwareMirror hosts 21 verified firmware builds, covering: KOO. Available as official firmware. Last updated: November 2024. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A42 5G (Korea) (sm-a426n). 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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| A426NKSS7EXK1/A426NOKR7EXK1/A426NKOS7EXJ1 | Odin | 272.39 MB | 2024-11-01 |
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| A426NKSU6EXF3/A426NOKR6EXF3/A426NKOU6EXF1 | Odin | 269.89 MB | 2024-06-01 |
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| A426NKSU5EWH2/A426NOKR5EWH2/A426NKOU5EWH1 | Odin | 299.37 MB | 2023-08-01 |
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| A426NKSS5EXA1/A426NOKR5EXA1/A426NKOS5EXA1 | Odin | 288.5 MB | 2024-01-01 |
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| A426NKSU4EWF3/A426NOKR4EWF3/A426NKOU4EWF1 | Odin | 1.31 GB | 2023-06-01 |
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| A426NKSU3EWB4/A426NOKR3EWB4/A426NKOU3EWB2 | Odin | 1.34 GB | 2023-02-01 |
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| A426NKSS3DWA1/A426NOKR3DWA1/A426NKOU3DVL1 | Odin | 1.57 GB | 2023-01-01 |
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| A426NKSS2BUL4/A426NOKR2BUL4/A426NKOU2BUL4 | Odin | 1.6 GB | 2021-12-01 |
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| A426NKSU2CVE4/A426NOKR2CVE4/A426NKOU2CVE1 | Odin | 964.69 MB | 2022-05-01 |
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| A426NKSU2CVI3/A426NOKR2CVI3/A426NKOU2CVG2 | Odin | 1.88 GB | 2022-09-01 |
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| A426NKSU2BVA3/A426NOKR2BVA3/A426NKOU2BVA1 | Odin | 1.5 GB | 2022-01-01 |
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| A426NKSU2DVK2/A426NOKR2DVK2/A426NKOU2DVJ8 | Odin | 1.66 GB | 2022-11-01 |
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| A426NKSU2CVG2/A426NOKR2CVG2/A426NKOU2CVG2 | Odin | 390.4 MB | 2022-07-01 |
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| A426NKSU2AUJ2/A426NOKR2AUJ2/A426NKOU2AUJ1 | Odin | 2.13 GB | 2021-10-01 |
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| A426NKSU2CVC1/A426NOKR2CVC1/A426NKOU2CVB3 | Odin | 1.48 GB | 2022-03-01 |
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| A426NKSU1AUB9/A426NOKR1AUB9/A426NKOU1AUB5 | Odin | 1.25 GB | 2021-02-01 |
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| A426NKSU1AUC5/A426NOKR1AUC5/A426NKOU1AUC5 | Odin | 1.24 GB | 2021-03-01 |
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| A426NKSU1AUD3/A426NOKR1AUD3/A426NKOU1AUD2 | Odin | 1.07 GB | 2021-04-01 |
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| A426NKSU1AUC3/A426NOKR1AUC3/A426NKOU1AUC2 | Odin | 1.25 GB | 2021-03-01 |
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| A426NKSU1AUH2/A426NOKR1AUH2/A426NKOU1AUH2 | Odin | 627.39 MB | 2021-08-01 |
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| A426NKSU1AUE2/A426NOKR1AUE2/A426NKOU1AUE1 | Odin | 1.07 GB | 2021-05-01 |
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| Network | Technology | GSM / HSPA / LTE / 5G |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe | |
| 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41 | ||
| 2, 3, 4, 5, 7, 12, 13, 20, 38, 39, 40, 41, 46, 48, 66 - SM-A426U | ||
| 5G bands | 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe | |
| 1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6 | ||
| 2, 25, 41, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave - SM-A426U | ||
| Speed | HSPA, LTE, 5G |
| Launch | Announced | 2020, September 02 |
|---|---|---|
| Status | Available. Released 2020, November 11 |
| Body | Dimensions | 164.4 x 75.9 x 8.6 mm (6.47 x 2.99 x 0.34 in) |
|---|---|---|
| Weight | 193 g (6.81 oz) | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | Super AMOLED |
|---|---|---|
| Size | 6.6 inches, 105.2 cm2 (~84.3% screen-to-body ratio) | |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~266 ppi density) |
| Platform | OS | Android 10, upgradable to Android 13, One UI 5 |
|---|---|---|
| Chipset | Qualcomm SM7225 Snapdragon 750 5G (8 nm) | |
| CPU | Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) | |
| GPU | Adreno 619 |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | |
| UFS 2.1 |
| Main Camera | Quad | 48 MP, f/1.8, 24mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.94", 0.8µm 5 MP (macro) Auxiliary lens |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 4K@30fps, 1080p@30fps, 720p@480fps |
| Selfie camera | Single | 20 MP, f/2.2, 25mm (wide), 1/2.78", 1.0µm |
|---|---|---|
| Features | HDR | |
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | |
| Radio | FM radio | |
| USB | USB Type-C 2.0 |
| Features | Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
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| Battery | Type | Li-Po 5000 mAh |
|---|---|---|
| Charging | 15W wired |
| Misc | Colors | Prism Dot Black, Prism Dot White, Prism Dot Gray |
|---|---|---|
| Models | SM-A426B, SM-A426B/DS, SM-A4260, SM-A426U, SM-A426U1, SM-A426N | |
| SAR EU | 1.15 W/kg (head) 1.33 W/kg (body) | |
| Price | € 239.99 / £ 137.99 |
| Our Tests | Performance | AnTuTu: 324686 (v8) GeekBench: 1910 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 570 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -30.1 LUFS (Below average) | |
| Battery (old) | Endurance rating 144h | |
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 A42 5G (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.
