Samsung GALAXY CORE2 (SM-G355M) is a samsung device (codename: sm-g355m). FirmwareMirror hosts 8 verified firmware builds, covering: CHE, CTI, ARO, CHO, PSN. Available as official firmware. Last updated: 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung GALAXY CORE2 (SM-G355M) (sm-g355m). 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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| G355MUBS0AQA9/G355MCHL0AOJ1/G355MUBU0AOI2 | Odin | 311.71 MB | N/A |
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| G355MUBS0AQA7/G355MPSN0APH2/G355MUBU0AOI2 | Odin | 311.71 MB | N/A |
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| G355MUBS0AQA6/G355MUUB0APF1/G355MUBU0APD1 | Odin | 311.71 MB | N/A |
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| G355MUBS0APH4/G355MCHE0APE1/G355MUBU0APD1 | Odin | 311.71 MB | N/A |
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| G355MUBS0AQA3/G355MUUB0AOJ2/G355MUBU0APA1 | Odin | 311.71 MB | N/A |
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| G355MUBS0AQB3/G355MUWA0ANI1/G355MUBU0ANI6 | Odin | 311.71 MB | N/A |
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| G355MUBS0AQA2/G355MUWA0AOI1/G355MUMU0AOI2 | Odin | 311.71 MB | N/A |
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| G355MUBU0AQB1/G355MZTO0AQB1/G355MUBU0APH1 | Odin | 311.71 MB | N/A |
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Also known as Samsung Galaxy Core II Dual SIM G355H
Samsung Galaxy Core 2 Dual SIM
| Network | Technology | GSM / HSPA |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G bands | HSDPA 900 / 2100 | |
| Speed | HSPA 21.1/5.76 Mbps |
| Launch | Announced | 2014, June. Released 2014, July |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
|---|---|---|
| Weight | 138 g (4.87 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
| Display | Type | TFT, 256K colors |
|---|---|---|
| Size | 4.5 inches, 57.6 cm2 (~65.1% screen-to-body ratio) | |
| Resolution | 480 x 800 pixels, 5:3 ratio (~207 ppi density) |
| Platform | OS | Android 4.4.2 (KitKat) |
|---|---|---|
| CPU | Quad-core 1.2 GHz |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 4GB 768MB RAM |
| Main Camera | Single | 5 MP, AF |
|---|---|---|
| Features | LED flash | |
| Video | 480p@30fps |
| Selfie camera | Single | VGA |
|---|---|---|
| Video |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
|---|---|---|
| Bluetooth | 4.0, A2DP | |
| Positioning | GPS, GLONASS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0 |
| Features | Sensors | Accelerometer |
|---|
| Battery | Type | Li-Ion 2000 mAh, removable |
|---|---|---|
| Talk time | Up to 7 h (3G) | |
| Music play | Up to 30 h |
| Misc | Colors | White, Black |
|---|---|---|
| Models | SM-G355H, SM-G355HN, SM-G355M | |
| SAR EU | 0.42 W/kg (head) 0.45 W/kg (body) | |
| Price | About 130 EUR |
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 CORE2 (SM-G355M) 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.
