Samsung Galaxy A13 (Korea) is a samsung device (codename: sm-a135n). FirmwareMirror hosts 21 verified firmware builds, covering: KOO. Available as official firmware. Last updated: February 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A13 (Korea) (sm-a135n). 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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| A135NKSS9EXJ1/A135NOKR9EXJ1/A135NKOS9EXJ1 | Odin | 273.84 MB | 2024-10-01 |
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| A135NKSS8EXI1/A135NOKR8EXI1/A135NKOS8EXI1 | Odin | 280.62 MB | 2024-09-01 |
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| A135NKSU7EXF1/A135NOKR7EXF1/A135NKOU7EXF1 | Odin | 290.66 MB | 2024-06-01 |
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| A135NKSS6DXC1/A135NOKR6DXC1/A135NKOS6DXC1 | Odin | 1.2 GB | 2024-03-01 |
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| A135NKSU5DWL5/A135NOKR5DWL5/A135NKOU5DWL5 | Odin | 1.2 GB | 2023-12-01 |
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| A135NKSU5CWH3/A135NOKR5CWH3/A135NKOU5CWH3 | Odin | 156.71 MB | 2023-08-01 |
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| A135NKSS5CWK1/A135NOKR5CWK1/A135NKOS5CWK1 | Odin | 1.75 GB | 2023-11-01 |
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| A135NKSU4CWE3/A135NOKR4CWE3/A135NKOU4CWE1 | Odin | 189.05 MB | 2023-05-01 |
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| A135NKSU3CWB9/A135NOKR3CWB9/A135NKOU3CWB7 | Odin | 304.51 MB | 2023-02-01 |
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| A135NKSSEEZB2/A135NOKREEZB2/A135NKOSEEZB2 | Odin | 1.29 GB | 2026-02-01 |
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| A135NKSSDEYJ2/A135NOKRDEYJ2/A135NKOSDEYJ2 | Odin | 166.19 MB | 2025-10-01 |
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| A135NKSU2AVI3/A135NOKR2AVI3/A135NKOU2AVI3 | Odin | 1.56 GB | 2022-09-01 |
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| A135NKSU2AVH2/A135NOKR2AVH2/A135NKOU2AVH2 | Odin | 320.52 MB | 2022-08-01 |
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| A135NKSU2BVL2/A135NOKR2BVL2/A135NKOU2BVL1 | Odin | 999.7 MB | 2022-12-01 |
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| A135NKSSDEYL1/A135NOKRDEYL1/A135NKOSDEYJ2 | Odin | 165.48 MB | 2025-12-01 |
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| A135NKSSCEYG1/A135NOKRCEYG1/A135NKOSCEYG1 | Odin | 180.79 MB | 2025-07-01 |
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| A135NKSSBEYD1/A135NOKRBEYD1/A135NKOSBEYD1 | Odin | 201.01 MB | 2025-04-01 |
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| A135NKSSAEYA1/A135NOKRAEYA1/A135NKOSAEYA1 | Odin | 205.14 MB | 2025-01-01 |
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| A135NKSSAEXK1/A135NOKRAEXK1/A135NKOSAEXK1 | Odin | 269.99 MB | 2024-11-01 |
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| A135NKSU1AVD2/A135NOKR1AVD2/A135NKOU1AVD2 | Odin | 986.29 MB | 2022-04-01 |
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| A135NKSU1AVF1/A135NOKR1AVF1/A135NKOU1AVF1 | Odin | 463.32 MB | 2022-06-01 |
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| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 2100 | |
| 4G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | |
| Speed | HSPA, LTE |
| Launch | Announced | 2022, March 04 |
|---|---|---|
| Status | Available. Released 2022, March 23 |
| Body | Dimensions | 165.1 x 76.4 x 8.8 mm (6.5 x 3.01 x 0.35 in) |
|---|---|---|
| Weight | 195 g (6.88 oz) | |
| Build | Glass front (Gorilla Glass 5), plastic frame, plastic back | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | PLS LCD |
|---|---|---|
| Size | 6.6 inches, 104.9 cm2 (~83.2% screen-to-body ratio) | |
| Resolution | 1080 x 2408 pixels, 20:9 ratio (~400 ppi density) | |
| Protection | Corning Gorilla Glass 5 |
| Platform | OS | Android 12, upgradable to Android 14, One UI 6.1 |
|---|---|---|
| Chipset | Exynos 850 (8 nm) | |
| CPU | Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) | |
| GPU | Mali-G52 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | |
| eMMC 5.1 |
| Main Camera | Quad | 50 MP, f/1.8, (wide), PDAF 5 MP, f/2.2, 123˚ (ultrawide), 1/5.0", 1.12µm 2 MP (macro) Auxiliary lens |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps |
| Selfie camera | Single | 8 MP, f/2.2, (wide) |
|---|---|---|
| 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 (market/region dependent) | |
| Radio | No | |
| USB | USB Type-C 2.0, OTG |
| Features | Sensors | Fingerprint (side-mounted), accelerometer, compass |
|---|---|---|
| Virtual proximity sensing |
| Battery | Type | Li-Po 5000 mAh |
|---|---|---|
| Charging | 15W wired |
| Misc | Colors | Black, White, Peach, Blue |
|---|---|---|
| Models | SM-A135F, SM-A135F/DS, SM-A135M, SM-A135U, SM-A135U1, SM-A135N | |
| SAR | 0.49 W/kg (head) | |
| SAR EU | 0.37 W/kg (head) 1.39 W/kg (body) | |
| Price | About 110 EUR |
| Our Tests | Performance | AnTuTu: 122822 (v8), 136286 (v9) GeekBench: 588 (v5.1) GFXBench: 5.2fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 1324:1 contrast ratio, 587 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -29.7 LUFS (Average) | |
| 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 A13 (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.
