Samsung Galaxy A55 is a samsung device (codename: sm-a556b). FirmwareMirror hosts 31 verified firmware builds, covering: BOG, EUY, EUX. Available as official firmware. Last updated: April 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A55 (sm-a556b). 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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| A556BXXUACYI9/A556BOXMACYI9/A556BXXUACYI8 | Odin | 346.72 MB | 2025-09-01 |
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| A556BXXS9BYF3/A556BOXM9BYF3/A556BXXS9BYF3 | Odin | 301.45 MB | 2025-06-01 |
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| A556BXXS8BYE1/A556BOXM8BYE1/A556BXXS8BYE1 | Odin | 317.63 MB | 2025-05-01 |
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| A556BXXS7AYC6/A556BOXM7AYC6/A556BXXS7AYC6 | Odin | 2.65 GB | 2025-03-01 |
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| A556BXXU7BYDB/A556BOXM7BYDB/A556BXXU7BYDC | Odin | 307.96 MB | 2025-04-01 |
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| A556BXXS6AYB4/A556BOXM6AYB4/A556BXXS6AYB4 | Odin | 268.96 MB | 2025-02-01 |
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| A556BXXU6AXK4/A556BOXM6AXK4/A556BXXU6AXK4 | Odin | 271.56 MB | 2024-11-01 |
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| A556BXXS6AYA3/A556BOXM6AYA3/A556BXXS6AYA3 | Odin | 272.53 MB | 2025-01-01 |
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| A556BXXS6AYB2/A556BOXM6AYB2/A556BXXS6AYB2 | Odin | 270.18 MB | 2025-02-01 |
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| A556BXXU6AXL2/A556BOXM6AXL2/A556BXXU6AXL2 | Odin | 287.77 MB | 2024-12-01 |
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| A556BXXSDCZB5/A556BOXMDCZB5/A556BXXSDCZB5 | Odin | 180.56 MB | 2026-02-01 |
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| A556BXXS5AXI4/A556BOXM5AXI4/A556BXXS5AXI4 | Odin | 369.59 MB | 2024-09-01 |
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| A556BXXSDCZC4/A556BOXMDCZC4/A556BXXSDCZC4 | Odin | 296.34 MB | 2026-03-01 |
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| A556BXXS4AXH4/A556BOXM4AXH4/A556BXXS4AXH4 | Odin | 371.78 MB | 2024-08-01 |
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| A556BXXS4AXF3/A556BOXM4AXF3/A556BXXS4AXF3 | Odin | 977.87 MB | 2024-06-01 |
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| A556BXXU4AXH1/A556BOXM4AXH1/A556BXXU4AXH1 | Odin | 386.39 MB | 2024-08-01 |
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| A556BXXS3AXF2/A556BOXM3AXF2/A556BXXS3AXF2 | Odin | 985.24 MB | 2024-06-01 |
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| A556BXXU3AXF1/A556BOXM3AXF1/A556BXXU3AXF1 | Odin | 985.59 MB | 2024-06-01 |
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| A556BXXU3AXE1/A556BOXM3AXE1/A556BXXU3AXE1 | Odin | 988.18 MB | 2024-05-01 |
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| A556BXXSBCYK2/A556BOXMBCYK2/A556BXXSBCYK2 | Odin | 346.92 MB | 2025-11-01 |
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| A556BXXSACYJ2/A556BOXMACYJ2/A556BXXSACYJ2 | Odin | 348.69 MB | 2025-10-01 |
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| A556BXXSABYG2/A556BOXMABYG2/A556BXXSABYG2 | Odin | 304.53 MB | 2025-07-01 |
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| A556BXXS2AXD3/A556BOXM2AXD3/A556BXXS2AXD3 | Odin | 993.7 MB | 2024-04-01 |
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| A556BXXSECZD1/A556BOXMECZD1/A556BXXSECZD1 | Odin | 296.51 MB | 2026-04-01 |
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| A556BXXSCCZA1/A556BOXMCCZA1/A556BXXSCCZA1 | Odin | 300.87 MB | 2026-01-01 |
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| A556BXXSBCYL1/A556BOXMBCYL1/A556BXXSBCYL1 | Odin | 317 MB | 2025-12-01 |
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| A556BXXSABYI1/A556BOXMABYI1/A556BXXSABYI1 | Odin | 1.76 GB | 2025-09-01 |
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| A556BXXU1AXB7/A556BOXM1AXB7/A556BXXU1AXBA | Odin | 992.82 MB | 2024-02-01 |
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| A556BXXU1AXC4/A556BOXM1AXC4/A556BXXU1AXC4 | Odin | 992.9 MB | 2024-03-01 |
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| A556BXXS1AXC1/A556BOXM1AXC1/A556BXXU1AXBA | Odin | 993.46 MB | 2024-03-01 |
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| A556BXXSECZDE/A556BOXMECZDE/A556BXXSECZDE | Odin | 985.24 MB | 2026-04-01 |
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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, 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 |
| Launch | Announced | 2024, March 11 |
|---|---|---|
| Status | Available. Released 2024, March 15 |
| Body | Dimensions | 161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in) |
|---|---|---|
| Weight | 213 g (7.51 oz) | |
| Build | Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass), aluminum frame | |
| SIM | · Nano-SIM · Nano-SIM + eSIM · Nano-SIM + Nano-SIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) | |
| IP67 dust/water resistant (up to 1m for 30 min) |
| Display | Type | Super AMOLED, 120Hz, HDR10+, 1000 nits (HBM) |
|---|---|---|
| Size | 6.6 inches, 106.9 cm2 (~85.8% screen-to-body ratio) | |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density) | |
| Protection | Corning Gorilla Glass Victus+ |
| Platform | OS | Android 14, up to 4 major Android upgrades, One UI 6.1 |
|---|---|---|
| Chipset | Exynos 1480 (4 nm) | |
| CPU | Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | |
| GPU | Xclipse 530 |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| Main Camera | Triple | 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP (macro) |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 4K@30fps, 1080p@30/60fps, gyro-EIS |
| Selfie camera | Single | 32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm |
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| Video | 4K@30fps, 1080p@30/60fps |
| Sound | Loudspeaker | Yes, with stereo speakers |
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| 3.5mm jack | No |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
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| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | |
| NFC | Yes (market/region dependent) | |
| Radio | No | |
| USB | USB Type-C 2.0, OTG |
| Features | Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass |
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| Virtual proximity sensing |
| Battery | Type | Li-Ion 5000 mAh |
|---|---|---|
| Charging | 25W wired |
| Misc | Colors | Iceblue, Lilac, Navy, Lemon |
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| Models | SM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560 | |
| SAR EU | 0.68 W/kg (head) 1.04 W/kg (body) | |
| Price | $ 414.99 / € 252.34 / £ 220.00 / ₹ 27,999 |
| Our Tests | Performance | AnTuTu: 635598 (v9), 726158 (v10) GeekBench: 3259 (v5), 3350 (v6) 3DMark: 1024 (Wild Life Extreme) |
|---|---|---|
| Display | 1010 nits max brightness (measured) | |
| Loudspeaker | -25.7 LUFS (Very good) | |
| Battery | Active use score 13:27h | |
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 A55 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.
