Samsung Galaxy A31 (SM-A315F) is a samsung device (codename: sm-a315f). FirmwareMirror hosts 24 verified firmware builds, covering: ACR, BKD, SKZ. Available as official firmware. Last updated: February 2024. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A31 (SM-A315F) (sm-a315f). 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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| A315FXXS5DXB3/A315FODM5DXB3/A315FXXS5DXB3 | Odin | 256.27 MB | 2024-02-01 |
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| A315FXXS5DXB1/A315FOJM5DXB1/A315FXXS5DXB1 | Odin | 117.53 MB | 2024-02-01 |
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| A315FXXU4DWH4/A315FODM4DWH4/A315FXXU4DWH2 | Odin | 261.05 MB | 2023-08-01 |
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| A315FXXU4DWI2/A315FODM4DWH4/A315FXXU4DWH2 | Odin | 265.11 MB | 2023-09-01 |
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| A315FXXS4DWH1/A315FOJM4DWH1/A315FXXS4DWH1 | Odin | 257.97 MB | 2023-08-01 |
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| A315FXXS3DWF1/A315FOXM3DWF1/A315FXXS3DWF1 | Odin | 282.35 MB | 2023-06-01 |
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| A315FXXU2DWB3/A315FOJM2DWB3/A315FXXU2DWB3 | Odin | 309.03 MB | 2023-02-01 |
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| A315FXXS2DWA2/A315FODM2DWA2/A315FXXS2DWA2 | Odin | 960.55 MB | 2023-01-01 |
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| A315FXXU1DVG8/A315FOJM1DVG8/A315FXXU1DVG8 | Odin | 849.05 MB | 2022-07-01 |
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| A315FXXU1DVD8/A315FOJM1DVD8/A315FXXU1DVD8 | Odin | 879.58 MB | 2022-04-01 |
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| A315FXXU1CUF5/A315FODM1CUF5/A315FXXU1CUF2 | Odin | 1.11 GB | 2021-06-01 |
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| A315FXXU1CUD4/A315FOJM1CUD4/A315FXXU1CUD4 | Odin | 1.08 GB | 2021-04-01 |
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| A315FXXU1CUK4/A315FOJM1CUK4/A315FXXU1CUK3 | Odin | 377.27 MB | 2021-11-01 |
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| A315FXXU1CUH3/A315FOJM1CUH3/A315FXXU1CUH3 | Odin | 764.85 MB | 2021-08-01 |
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| A315FXXS1CUK2/A315FOJM1CUH3/A315FXXU1CUH3 | Odin | 766.73 MB | 2021-11-01 |
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| A315FXXU1DVJ2/A315FOJM1DVJ2/A315FXXU1DVG8 | Odin | 842 MB | 2022-10-01 |
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| A315FXXU1CUH2/A315FOJM1CUH2/A315FXXU1CUF2 | Odin | 1 GB | 2021-08-01 |
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| A315FXXU1CUF2/A315FOJM1CUF2/A315FXXU1CUF2 | Odin | 1.02 GB | 2021-06-01 |
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| A315FXXU1BUA2/A315FODM1BUA2/A315FXXU1BUA1 | Odin | 2.28 GB | 2021-01-01 |
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| A315FXXS1CVD2/A315FOJM1CVA1/A315FXXU1CVA1 | Odin | 2.09 GB | 2022-04-01 |
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| A315FXXS1CUG1/A315FOJM1CUF2/A315FXXU1CUF2 | Odin | 1 GB | 2021-07-01 |
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| A315FXXU1DVF1/A315FOJM1DVF2/A315FXXU1DVF1 | Odin | 855.78 MB | 2022-06-01 |
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| A315FXXU1CVA1/A315FOJM1CVA1/A315FXXU1CVA1 | Odin | 159.96 MB | 2022-01-01 |
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| A315FXXU1BUA1/A315FOJM1BUA1/A315FXXU1BUA1 | Odin | 1.92 GB | 2021-01-01 |
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Versions: SM-A315F/DS (International); SM-A315G/DS (Asia, Australia)
| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 - SM-A315F | |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G | ||
| 4G bands | 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G | ||
| Speed | HSPA, LTE |
| Launch | Announced | 2020, March 24. Released 2020, April 27 |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
|---|---|---|
| Weight | 185 g (6.53 oz) | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | Super AMOLED |
|---|---|---|
| Size | 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
| Platform | OS | Android 10, upgradable to Android 12, One UI 4.1 |
|---|---|---|
| Chipset | Mediatek MT6768 Helio P65 (12 nm) | |
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) | |
| GPU | Mali-G52 MC2 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | |
| eMMC 5.1 |
| Main Camera | Quad | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps |
| Selfie camera | Single | 20 MP, f/2.2, (wide) |
|---|---|---|
| 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, GALILEO, BDS | |
| NFC | Yes (market/region dependent) | |
| Radio | FM radio, RDS, recording | |
| USB | USB Type-C 2.0, OTG |
| Features | Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass |
|---|---|---|
| Virtual proximity sensing |
| Battery | Type | Li-Po 5000 mAh |
|---|---|---|
| Charging | 15W wired |
| Misc | Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
|---|---|---|
| Models | SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N | |
| SAR EU | 0.49 W/kg (head) 1.68 W/kg (body) | |
| Price | € 185.20 / £ 139.00 |
| Our Tests | Performance | AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) |
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| Display | 635 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -30.9 LUFS (Below average) | |
| Battery (old) | Endurance rating 124h | |
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 A31 (SM-A315F) 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.
