Samsung Galaxy Tab Active 4 Pro (Korea) is a samsung device (codename: sm-t636n). 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 Tab Active 4 Pro (Korea) (sm-t636n). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| T636NKOS9DYH2/T636NKOO9DYH2/T636NKOS9DYH2 | Odin | 296.13 MB | 2025-08-01 |
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| T636NKOS9DYJ1/T636NKOO9DYJ1/T636NKOS9DYJ1 | Odin | 284.19 MB | 2025-10-01 |
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| T636NKOU8DYE8/T636NKOO8DYE8/T636NKOU8DYE8 | Odin | 310.3 MB | 2025-05-01 |
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| T636NKOU8CXK4/T636NKOO8CXK4/T636NKOU8CXK4 | Odin | 282.4 MB | 2024-11-01 |
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| T636NKOS8CYB2/T636NKOO8CYB2/T636NKOS8CYB2 | Odin | 2.77 GB | 2025-02-01 |
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| T636NKOS7CXJ1/T636NKOO7CXJ1/T636NKOS7CXJ1 | Odin | 1010.1 MB | 2024-10-01 |
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| T636NKOS7CXH1/T636NKOO7CXH1/T636NKOS7CXH1 | Odin | 1010.49 MB | 2024-08-01 |
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| T636NKOU6CXE3/T636NKOO6CXE3/T636NKOU6CXE3 | Odin | 1017.22 MB | 2024-05-01 |
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| T636NKOS5CXD1/T636NKOO5CXD1/T636NKOS5CXD1 | Odin | 2 GB | 2024-04-01 |
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| T636NKOSADZB4/T636NKOOADZB4/T636NKOSADZB4 | Odin | 1.98 GB | 2026-02-01 |
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| T636NKOU4CWL5/T636NKOO4CWL5/T636NKOU4CWL5 | Odin | 2 GB | 2023-12-01 |
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| T636NKOS4CXA4/T636NKOO4CXA4/T636NKOS4CXA4 | Odin | 2 GB | 2024-01-01 |
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| T636NKOU4BWJ2/T636NKOO4BWJ2/T636NKOU4BWJ2 | Odin | 2.6 GB | 2023-10-01 |
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| T636NKOS3BWG1/T636NKOO3BWG1/T636NKOS3BWG1 | Odin | 2.24 GB | 2023-07-01 |
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| T636NKOS2BWD1/T636NKOO2BWD1/T636NKOS2BWD1 | Odin | 2.24 GB | 2023-04-01 |
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| T636NKOU1AVH6/T636NKOO1AVH6/T636NKOU1AVH6 | Odin | 1.33 GB | 2022-08-01 |
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| T636NKOU1BWB4/T636NKOO1BWB4/T636NKOU1BWB4 | Odin | 2.24 GB | 2023-02-01 |
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| T636NKOS1BWA3/T636NKOO1BWA3/T636NKOS1BWA3 | Odin | 2.41 GB | 2023-01-01 |
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| T636NKOU1BVL2/T636NKOO1BVL2/T636NKOU1BVL2 | Odin | 2.41 GB | 2022-12-01 |
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| T636NKOU1AVI1/T636NKOO1AVI1/T636NKOU1AVI1 | Odin | 1.32 GB | 2022-09-01 |
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Download |
| T636NKOU1AVJB/T636NKOO1AVJB/T636NKOU1AVJB | Odin | 2.26 GB | 2022-10-01 |
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Download |
Versions: Wi-Fi; LTE/5G
| 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, 13, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66 | |
| 5G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 | |
| Speed | HSPA, LTE, 5G - cellular model only |
| Launch | Announced | 2022, August 31 |
|---|---|---|
| Status | Available. Released 2022, September 13 |
| Body | Dimensions | 242.9 x 170.2 x 10.2 mm (9.56 x 6.70 x 0.40 in) |
|---|---|---|
| Weight | 674 g (1.49 lb) | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM - cellular model only | |
| Stylus IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1m MIL-STD-810H compliant |
| Display | Type | TFT LCD |
|---|---|---|
| Size | 10.1 inches, 295.8 cm2 (~71.5% screen-to-body ratio) | |
| Resolution | 1920 x 1200 pixels, 16:10 ratio (~224 ppi density) | |
| Protection | Corning Gorilla Glass 5 |
| Platform | OS | Android 12, upgradable to Android 13 |
|---|---|---|
| Chipset | Qualcomm SM7325 Snapdragon 778G 5G (6 nm) | |
| CPU | Octa-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55) | |
| GPU | Adreno 642L |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 64GB 4GB RAM, 128GB 6GB RAM |
| Main Camera | Single | 13 MP, f/1.9, AF |
|---|---|---|
| Features | LED flash, HDR, panorama | |
| Video | 4K@30fps, 1080p@30fps |
| Selfie camera | Single | 8 MP, f/2.0 |
|---|---|---|
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS, GALILEO, QZSS - cellular model only | |
| NFC | Yes | |
| Radio | No | |
| USB | USB Type-C 3.2, charging/accessories connector pins |
| Features | Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass |
|---|---|---|
| Samsung DeX (desktop experience support) |
| Battery | Type | Li-Po 7600 mAh, removable |
|---|
| Misc | Colors | Black |
|---|---|---|
| Models | SM-T636B | |
| SAR EU | 1.12 W/kg (body) | |
| Price | About 830 EUR |
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 Tab Active 4 Pro (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.
