Samsung Galaxy A21 (USA unlocked) is a samsung device (codename: sm-a215u1). FirmwareMirror hosts 18 verified firmware builds, covering: ACG, AIO. Available as official firmware. Last updated: May 2024. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A21 (USA unlocked) (sm-a215u1). 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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| A215U1UES9CWD1/A215U1OYM9CWD1/A215U1UES9CWD1 | Odin | 291.04 MB | 2023-04-01 |
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| A215U1UES8CVJ1/A215U1OYM8CVJ1/A215U1UES8CVJ1 | Odin | 307.47 MB | 2022-10-01 |
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| A215U1UEU7CVI3/A215U1OYM7CVI3/A215U1UEU7CVI3 | Odin | 304.9 MB | 2022-09-01 |
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| A215U1UEU7BVH3/A215U1OYM7BVH3/A215U1UEU7BVH3 | Odin | 1.77 GB | 2022-08-01 |
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| A215U1UES7BVD2/A215U1OYM7BVD2/A215U1UES7BVD2 | Odin | 172.3 MB | 2022-04-01 |
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| A215U1UES7BVF1/A215U1OYM7BVF1/A215U1UES7BVF1 | Odin | 1.77 GB | 2022-06-01 |
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| A215U1UES6BUL1/A215U1OYM6BUL1/A215U1UES6BUL1 | Odin | 183.17 MB | 2021-12-01 |
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| A215U1UEUBCWG5/A215U1OYMBCWG5/A215U1UEUBCWG5 | Odin | 223.27 MB | 2023-07-01 |
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| A215U1UES5AUH8/A215U1OYM5AUH8/A215U1UES5AUH8 | Odin | 107.97 MB | 2021-08-01 |
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| A215U1UEU5BUJ4/A215U1OYM5BUJ4/A215U1UEU5BUJ4 | Odin | 159 MB | 2021-10-01 |
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| A215U1UEU5AUI1/A215U1OYM5AUI1/A215U1UEU5AUI1 | Odin | 1.64 GB | 2021-09-01 |
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| A215U1UES4AUF1/A215U1OYM4AUF1/A215U1UES4AUF1 | Odin | 135.59 MB | 2021-06-01 |
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| A215U1UES3AUC2/A215U1OYM3AUC2/A215U1UES3AUC2 | Odin | 139.64 MB | 2021-03-01 |
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| A215U1UESCCXA2/A215U1OYMCCXA2/A215U1UESCCXA2 | Odin | 199.85 MB | 2024-01-01 |
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| A215U1UES2ATJ4/A215U1OYM2ATJ4/A215U1UES2ATJ4 | Odin | 271.47 MB | N/A |
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| A215U1UEU2ATL1/A215U1OYM2ATL1/A215U1UEU2ATL1 | Odin | 156.84 MB | N/A |
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| A215U1UESDCXE1/A215U1OYMDCXE1/A215U1UESDCXE1 | Odin | 323.93 MB | 2024-05-01 |
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| A215U1UEU1ATG3/A215U1OYM1ATG3/A215U1UEU1ATG3 | Odin | 273.31 MB | N/A |
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Versions: SM-A215U (USA); SM-A215U1 (USA Unlocked)
| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| CDMA 800 / 1900 | ||
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA | |
| CDMA2000 1xEV-DO | ||
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Launch | Announced | 2020, April 08. Released 2020, June 26 |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 in) |
|---|---|---|
| Weight | 193 g (6.81 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | IPS LCD |
|---|---|---|
| Size | 6.5 inches, 102.0 cm2 (~79.3% screen-to-body ratio) | |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Platform | OS | Android 10, One UI 2.0 |
|---|---|---|
| Chipset | Mediatek MT6765 Helio P35 (12 nm) | |
| CPU | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | |
| GPU | PowerVR GE8320 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 32GB 3GB RAM | |
| eMMC 5.1 |
| Main Camera | Quad | 16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps |
| Selfie camera | Single | 13 MP, f/2.0, (wide), 1/3.1", 1.12µm |
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| 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, BDS | |
| NFC | Yes (market/region dependent) | |
| Radio | FM radio | |
| USB | USB Type-C 2.0 |
| Features | Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
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| Battery | Type | Li-Po 4000 mAh |
|---|---|---|
| Charging | 15W wired |
| Misc | Colors | Black |
|---|---|---|
| Models | SM-A215U, SM-A215U1, SM-S215DL, SM-A215W | |
| SAR | 1.27 W/kg (head) 0.60 W/kg (body) | |
| Price | $ 58.78 / € 96.89 / £ 69.99 |
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 A21 (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.
