Samsung Galaxy A20 (Korea) is a samsung device (codename: sm-a205gn). FirmwareMirror hosts 49 verified firmware builds, covering: BRI, VFJ, STN, TGY, NZC. Available as official firmware. Last updated: June 2023. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A20 (Korea) (sm-a205gn). 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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| A205GNDXS9BUD4/A205GNSTN9BUD4/A205GNDXS9BUD4 | Odin | 1.67 GB | 2021-04-01 |
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| A205GNDXS9BUD4/A205GNTGY9BUD4/A205GNDXS9BUD4 | Odin | 1.67 GB | 2021-04-01 |
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| A205GNDXU9BUC4/A205GNVFJ9BUC4/A205GNDXU9BUC4 | Odin | 90.89 MB | 2021-03-01 |
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| A205GNDXU9BUC4/A205GNOLO9BUC4/A205GNDXU9BUC4 | Odin | 90.89 MB | 2021-03-01 |
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| A205GNDXS9BUD3/A205GNVFJ9BUC4/A205GNDXU9BUC4 | Odin | 1.69 GB | 2021-04-01 |
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| A205GNDXS9BUD3/A205GNOLO9BUC4/A205GNDXU9BUC4 | Odin | 1.71 GB | 2021-04-01 |
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| A205GNDXU9CUF2/A205GNVFJ9CUF2/A205GNDXU9CUF2 | Odin | 390.74 MB | 2021-06-01 |
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| A205GNDXU9CUF2/A205GNOLO9CUF2/A205GNDXU9CUF2 | Odin | 381.29 MB | 2021-06-01 |
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| A205GNDXU9BUC1/A205GNTGY9BUC1/A205GNDXU9BUC1 | Odin | 95.01 MB | 2021-03-01 |
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| A205GNDXU9BUC1/A205GNSTN9BUC1/A205GNDXU9BUC1 | Odin | 95.01 MB | 2021-03-01 |
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| A205GNDXU8BTL2/A205GNTGY8BTL2/A205GNDXU8BTL2 | Odin | 129.04 MB | N/A |
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| A205GNDXU8BTL2/A205GNSTN8BTL2/A205GNDXU8BTL2 | Odin | 129.04 MB | N/A |
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| A205GNDXS8BTL1/A205GNVFJ8BTL1/A205GNDXS8BTL1 | Odin | 145.83 MB | N/A |
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| A205GNDXS8BTL1/A205GNOLO8BTL1/A205GNDXS8BTL1 | Odin | 148.23 MB | N/A |
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| A205GNDXU7BTJ5/A205GNVFJ7BTJ5/A205GNDXU7BTJ4 | Odin | 145.97 MB | N/A |
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| A205GNDXU7BTJ5/A205GNOLO7BTJ5/A205GNDXU7BTJ4 | Odin | 148.37 MB | N/A |
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| A205GNDXS7BTI2/A205GNVFJ7BTI2/A205GNDXS7BTI1 | Odin | 319.21 MB | N/A |
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| A205GNDXS7BTI2/A205GNOLO7BTI2/A205GNDXS7BTI1 | Odin | 322.68 MB | N/A |
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| A205GNDXU7BTKA/A205GNTGY7BTKA/A205GNDXU7BTKA | Odin | 144.08 MB | N/A |
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| A205GNDXU7BTKA/A205GNSTN7BTKA/A205GNDXU7BTKA | Odin | 144.08 MB | N/A |
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| A205GNDXU6BTG3/A205GNVFJ6BTG3/A205GNDXU6BTG3 | Odin | 322.38 MB | N/A |
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| A205GNDXU6BTG3/A205GNOLO6BTG3/A205GNDXU6BTG3 | Odin | 325.85 MB | N/A |
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| A205GNDXS6BTG1/A205GNOLO6BTG1/A205GNDXS6BTG2 | Odin | 419.45 MB | N/A |
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| A205GNDXS6BTG1/A205GNVFJ6BTG1/A205GNDXS6BTG2 | Odin | 414.71 MB | N/A |
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| A205GNDXU5BTD5/A205GNTGY5BTD5/A205GNDXU5BTD5 | Odin | 416.68 MB | N/A |
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| A205GNDXU5BTD5/A205GNSTN5BTD5/A205GNDXU5BTD5 | Odin | 416.68 MB | N/A |
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| A205GNDXU5BTD2/A205GNOLO5BTD2/A205GNDXU5BTD1 | Odin | 422.52 MB | N/A |
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| A205GNDXU5BTD2/A205GNVFJ5BTD2/A205GNDXU5BTD1 | Odin | 417.77 MB | N/A |
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| A205GNDXU5BTEA/A205GNTGY5BTEA/A205GNDXU5BTEA | Odin | 416.57 MB | N/A |
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| A205GNDXU5BTEA/A205GNSTN5BTEA/A205GNDXU5BTEA | Odin | 416.57 MB | N/A |
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| A205GNDXUACUI4/A205GNTGYACUI4/A205GNDXUACUI4 | Odin | 266.68 MB | 2021-09-01 |
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| A205GNDXUACUI4/A205GNOLOACUI4/A205GNDXUACUI4 | Odin | 302.53 MB | 2021-09-01 |
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| A205GNDXSBCWC4/A205GNTGYBCWC4/A205GNDXSBCWC3 | Odin | 1.71 GB | 2023-03-01 |
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| A205GNDXSBCWC4/A205GNSTNBCWC4/A205GNDXSBCWC3 | Odin | 265.92 MB | 2023-03-01 |
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| A205GNDXSBCWC3/A205GNVFJBCWC3/A205GNDXSBCWC3 | Odin | 121.97 MB | 2023-03-01 |
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| A205GNDXSBCWC3/A205GNOLOBCWC3/A205GNDXSBCWC3 | Odin | 2.32 GB | 2023-03-01 |
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| A205GNDXUACUJ3/A205GNVFJACUJ3/A205GNDXUACUJ3 | Odin | 276.97 MB | 2021-10-01 |
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| A205GNDXUACUJ3/A205GNOLOACUJ3/A205GNDXUACUJ3 | Odin | 267.44 MB | 2021-10-01 |
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| A205GNDXSBCVI3/A205GNTGYBCVI3/A205GNDXSBCVI2 | Odin | 170.59 MB | 2022-09-01 |
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| A205GNDXSBCVI3/A205GNSTNBCVI3/A205GNDXSBCVI2 | Odin | 170.59 MB | 2022-09-01 |
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| A205GNDXUBCWF2/A205GNVFJBCWF2/A205GNDXUBCWF2 | Odin | 46.31 MB | 2023-06-01 |
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| A205GNDXSBCVI2/A205GNVFJBCVI2/A205GNDXSBCVI2 | Odin | 190.09 MB | 2022-09-01 |
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| A205GNDXSBCVI2/A205GNOLOBCVI2/A205GNDXSBCVI2 | Odin | 171.73 MB | 2022-09-01 |
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| A205GNDXSACVC2/A205GNSTNACVC2/A205GNDXSACVC1 | Odin | 238.35 MB | 2022-03-01 |
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| A205GNDXSACVC2/A205GNTGYACVC2/A205GNDXSACVC1 | Odin | 238.35 MB | 2022-03-01 |
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| A205GNDXSACVC1/A205GNOLOACVC1/A205GNDXSACVC1 | Odin | 238.73 MB | 2022-03-01 |
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| A205GNDXSACVC1/A205GNVFJACVC1/A205GNDXSACVC1 | Odin | 248.21 MB | 2022-03-01 |
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| A205GNDXSACUH1/A205GNOLOACUH1/A205GNDXSACUH1 | Odin | 369.8 MB | 2021-08-01 |
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| A205GNDXSACUH1/A205GNVFJACUH1/A205GNDXSACUH1 | Odin | 379.21 MB | 2021-08-01 |
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Versions: SM-A205F/DS, SM-A205FN/DS (Global); SM-A205U (USA); SM-A205GN/DS (Philippines, Hong Kong, Taiwan), SM-A205YN (Australia, New Zealand), SM-A205G/DS (LATAM/Brazil), SM-A205W (Canada)
| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | |
| HSDPA 850 / 1700(AWS) / 1900 / 2100 | ||
| 4G bands | 1, 3, 5, 7, 8, 20, 38, 40, 41 | |
| 1, 2, 3, 4, 5, 7, 12, 13, 17, 20, 28, 38, 40, 41, 66 | ||
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - SM-A205U | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Launch | Announced | 2019, March 19. Released 2019, April 05 |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 158.4 x 74.7 x 7.8 mm (6.24 x 2.94 x 0.31 in) |
|---|---|---|
| Weight | 169 g (5.96 oz) | |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | Super AMOLED |
|---|---|---|
| Size | 6.4 inches, 100.5 cm2 (~85.0% screen-to-body ratio) | |
| Resolution | 720 x 1560 pixels, 19.5:9 ratio (~268 ppi density) | |
| Protection | Corning Gorilla Glass 3 |
| Platform | OS | Android 9.0 (Pie), upgradable to Android 11, One UI 3.1 |
|---|---|---|
| Chipset | Exynos 7884 (14 nm) | |
| CPU | Octa-core (2x1.6 GHz Cortex-A73 & 6x1.35 GHz Cortex-A53) | |
| GPU | Mali-G71 MP2 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 32GB 3GB RAM | |
| eMMC 5.1 |
| Main Camera | Dual | 13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, 12mm (ultrawide) |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 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 b/g/n, Wi-Fi Direct |
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| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS | |
| NFC | Yes (market/region dependent) | |
| Radio | FM radio | |
| USB | USB Type-C 2.0, OTG |
| Features | Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
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| Battery | Type | Li-Po 4000 mAh, non-removable |
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| Charging | 15W wired |
| Misc | Colors | Black, Deep Blue, Red, Coral Orange, Gold |
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| Models | SM-A205F, SM-A205FN, SM-A205GN, SM-A205YN, SM-A205G, SM-A205W, SM-A205U, SM-A205S, SM-S205DL, SM-A205U1 | |
| SAR | 1.09 W/kg (head) 0.60 W/kg (body) | |
| SAR EU | 0.23 W/kg (head) 1.38 W/kg (body) | |
| Price | About 100 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 A20 (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.
