Samsung Galaxy M15 is a samsung device (codename: sm-m156b). FirmwareMirror hosts 21 verified firmware builds, covering: XID, EUX, CAU. Available as official firmware. Last updated: February 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy M15 (sm-m156b). 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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| M156BXXS9CZB3/M156BOXM9CZB3/M156BXXS9CZB3 | Odin | 2.99 GB | 2026-02-01 |
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| M156BXXS8CZA3/M156BOXM8CZA3/M156BXXS8CZA3 | Odin | 281 MB | 2026-01-01 |
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| M156BXXU7CYJ5/M156BOXM7CYJ5/M156BXXU7CYJ5 | Odin | 303.58 MB | 2025-10-01 |
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| M156BXXS7BYH1/M156BOXM7BYH1/M156BXXS7BYH1 | Odin | 2.09 GB | 2025-08-01 |
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| M156BXXU6BYE7/M156BOXM6BYE7/M156BXXU6BYE9 | Odin | 282.93 MB | 2025-05-01 |
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| M156BXXS6AYD5/M156BOXM6AYD5/M156BXXS6AYD5 | Odin | 2.85 GB | 2025-04-01 |
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| M156BXXS6AYD4/M156BOLE6AYD4/M156BXXS6AYD4 | Odin | 2.95 GB | 2025-04-01 |
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| M156BXXS5AYA2/M156BOXM5AYA2/M156BXXS5AYA2 | Odin | 274.14 MB | 2025-01-01 |
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| M156BXXS5AYA1/M156BOLE5AYA1/M156BXXS5AYA1 | Odin | 264.57 MB | 2025-01-01 |
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| M156BXXU4AXL1/M156BOXM4AXL3/M156BXXU4AXL1 | Odin | 305.37 MB | 2024-12-01 |
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| M156BXXU4AXKF/M156BOLE4AXKF/M156BXXU4AXKF | Odin | 302.6 MB | 2024-11-01 |
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| M156BXXS3AXIL/M156BOXM3AXIL/M156BXXS3AXIK | Odin | 1.15 GB | 2024-09-01 |
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| M156BXXS3AXIK/M156BOXM3AXIK/M156BXXS3AXIK | Odin | 1.15 GB | 2024-09-01 |
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| M156BXXS3AXIG/M156BOLE3AXIG/M156BXXS3AXIG | Odin | 697.16 MB | 2024-09-01 |
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| M156BXXS2AXE4/M156BOXM2AXE4/M156BXXS2AXE4 | Odin | 1.17 GB | 2024-05-01 |
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| M156BXXS2AXE3/M156BOLE2AXE3/M156BXXS2AXE3 | Odin | 715.47 MB | 2024-05-01 |
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| M156BXXS2AXF2/M156BOXM2AXF2/M156BXXS2AXF2 | Odin | 1.17 GB | 2024-06-01 |
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| M156BXXS2AXF1/M156BOLE2AXF1/M156BXXS2AXF1 | Odin | 710.88 MB | 2024-06-01 |
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| M156BXXU2AXFB/M156BOXM2AXFB/M156BXXU2AXFB | Odin | 1.17 GB | 2024-06-01 |
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| M156BXXU1AXB7/M156BOXM1AXB7/M156BXXU1AXB9 | Odin | 1.17 GB | 2024-02-01 |
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| M156BXXU1AXB5/M156BOLE1AXC2/M156BXXU1AXB1 | Odin | 716.36 MB | 2024-02-01 |
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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, 26, 28, 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 09 |
|---|---|---|
| Status | Available. Released 2024, April 05 |
| Body | Dimensions | 160.1 x 76.8 x 9.3 mm (6.30 x 3.02 x 0.37 in) |
|---|---|---|
| Weight | 217 g (7.65 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | Nano-SIM + Nano-SIM |
| Display | Type | Super AMOLED, 90Hz, 800 nits (HBM) |
|---|---|---|
| Size | 6.5 inches, 103.7 cm2 (~84.3% screen-to-body ratio) | |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~396 ppi density) |
| Platform | OS | Android 14, up to 4 major Android upgrades, One UI 6 |
|---|---|---|
| Chipset | Mediatek Dimensity 6100+ (6 nm) | |
| CPU | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | |
| GPU | Mali-G57 MC2 |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Main Camera | Triple | 50 MP, f/1.8, (wide), AF 5 MP, f/2.2, (ultrawide) 2 MP (macro) |
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| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps, gyro-EIS |
| Selfie camera | Single | 13 MP, f/2.0, (wide) |
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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 |
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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 |
| Features | Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass |
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| Virtual proximity sensing |
| Battery | Type | 6000 mAh |
|---|---|---|
| Charging | 25W wired |
| Misc | Colors | Light Blue, Dark Blue, Gray |
|---|---|---|
| Models | SM-M156B, SM-M156B/DS, SM-M156B/DSN | |
| SAR | 0.71 W/kg (head) | |
| SAR EU | 0.78 W/kg (head) 1.19 W/kg (body) | |
| Price | ₹ 15,999 |
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 M15 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.
