Samsung Galaxy A16 5G (USA unlocked) is a samsung device (codename: sm-a166u1). FirmwareMirror hosts 22 verified firmware builds, covering: PCT, TMB, USC. Available as official firmware. Last updated: April 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A16 5G (USA unlocked) (sm-a166u1). 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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| A166U1UES7CZDG/A166U1OWA7CZDG/A166U1UES7CZDG | Odin | 234.72 MB | 2026-04-01 |
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| A166U1UES6CZB6/A166U1OWA6CZB6/A166U1UES6CZB6 | Odin | 249.72 MB | 2026-02-01 |
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| A166U1UES6CZDC/A166U1OWA6CZDC/A166U1UES6CZDC | Odin | 226.91 MB | 2026-04-01 |
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| A166U1UES5CZA8/A166U1OYM5CZA8/A166U1UES5CZA8 | Odin | 227.49 MB | 2026-01-01 |
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| A166U1UES5CZA8/A166U1OWA5CZA8/A166U1UES5CZA8 | Odin | 256.66 MB | 2026-01-01 |
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| A166U1UES4CYL1/A166U1OYM4CYL1/A166U1UES4CYL1 | Odin | 231.85 MB | 2025-12-01 |
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| A166U1UES4CYL1/A166U1OWA4CYL1/A166U1UES4CYL1 | Odin | 263.73 MB | 2025-12-01 |
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| A166U1UES3BYF4/A166U1OWA3BYF4/A166U1UES3BYF4 | Odin | 235.18 MB | 2025-06-01 |
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| A166U1UES3BYH2/A166U1OWA3BYF4/A166U1UES3BYH1 | Odin | 224.1 MB | 2025-08-01 |
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| A166U1UES3CYJ1/A166U1OWA3CYJ1/A166U1UES3CYJ1 | Odin | 251.91 MB | 2025-10-01 |
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| A166U1UES3CYJ1/A166U1OYM3CYJ1/A166U1UES3CYJ1 | Odin | 241.94 MB | 2025-10-01 |
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| A166U1UES3BYI1/A166U1OWA3BYI1/A166U1UES3BYI1 | Odin | 2.04 GB | 2025-09-01 |
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| A166U1UES3CYKA/A166U1OWA3CYKA/A166U1UES3CYKA | Odin | 259.01 MB | 2025-11-01 |
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| A166U1UEU3CYIC/A166U1OWA3CYIC/A166U1UEU3CYIC | Odin | 251.46 MB | 2025-09-01 |
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| A166U1UES2BYF3/A166U1OWA2BYF3/A166U1UES2BYF3 | Odin | 264.45 MB | 2025-06-01 |
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| A166U1UES2AYF1/A166U1OWA2AYF1/A166U1UES2AYF1 | Odin | 2.92 GB | 2025-06-01 |
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| A166U1UEU2BYED/A166U1OWA2BYF1/A166U1UEU2BYED | Odin | 270.78 MB | 2025-05-01 |
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| A166U1UES2AYCA/A166U1OWA2AYCB/A166U1UES2AYCB | Odin | 213.18 MB | 2025-03-01 |
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| A166U1UEU1AXK8/A166U1OWA1AXKA/A166U1UEU1AXK7 | Odin | 353.21 MB | 2024-11-01 |
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| A166U1UES1AYA3/A166U1OWA1AYA4/A166U1UES1AYA4 | Odin | 234.72 MB | 2025-01-01 |
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| A166U1UES1AXL2/A166U1OWA1AXL3/A166U1UES1AXL3 | Odin | 249.06 MB | 2024-12-01 |
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| A166U1UES1AYC1/A166U1OWA1AYC1/A166U1UES1AYC1 | Odin | 226.49 MB | 2025-03-01 |
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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, 66 - International | |
| 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked | ||
| 5G bands | 1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - International | |
| 2, 5, 25, 41, 66, 71, 77, 78 SA/NSA/Sub6/mmWave - USA unlocked | ||
| Speed | HSPA, LTE, 5G |
| Launch | Announced | 2024, October 07 |
|---|---|---|
| Status | Available. Released 2024, October 25 |
| Body | Dimensions | 164.4 x 77.9 x 7.9 mm (6.47 x 3.07 x 0.31 in) |
|---|---|---|
| Weight | 200 g (7.05 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | · Nano-SIM · Nano-SIM + eSIM · Nano-SIM + Nano-SIM | |
| IP54 dust protected and water resistant (water splashes) |
| Display | Type | Super AMOLED, 90Hz, 800 nits (HBM) |
|---|---|---|
| Size | 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio) | |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density) | |
| Protection | Mohs level 5 |
| Platform | OS | Android 14, up to 6 major Android upgrades, One UI 6.1 |
|---|---|---|
| Chipset | Exynos 1330 (5 nm) or Mediatek Dimensity 6300 (6 nm) | |
| CPU | Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) or Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | |
| GPU | Mali-G68 MP2 or Mali-G57 MC2 |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| Main Camera | Triple | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP (macro) |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps, gyro-EIS |
| Selfie camera | Single | 13 MP, f/2.0, (wide), 1/3.1", 1.12µm |
|---|---|---|
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | No |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | |
| NFC | Yes (market/region dependent) | |
| Radio | No | |
| USB | USB Type-C 2.0 |
| Features | Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass |
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| Virtual proximity sensing |
| Battery | Type | 5000 mAh |
|---|---|---|
| Charging | 25W wired |
| Misc | Colors | Blue Black, Light Gray, Gold, Light Green |
|---|---|---|
| Models | SM-A166B, SM-A166B/DS, SM-A166P, SM-A166P/DS, SM-A166E, SM-A166E/DS, SM-A166W, SM-A166U, SM-A166U1 | |
| SAR EU | 0.38 W/kg (head) 0.94 W/kg (body) | |
| Price | $ 199.99 / € 160.33 / £ 149.99 / ₹ 16,500 |
| Our Tests | Performance | AnTuTu: 368854 (v9), 435895 (v10) GeekBench: 2090 (v5), 2042 (v6) 3DMark: 360 (Wild Life Extreme) |
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| Display | 824 nits max brightness (measured) | |
| Loudspeaker | -25.7 LUFS (Very good) | |
| Battery | Active use score 12:08h | |
| EU LABEL | Energy | Class B |
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| Battery | 43:30h endurance, 1200 cycles | |
| Free fall | Class B (180 falls) | |
| Repairability | Class C |
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 A16 5G (USA unlocked) 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.
