Samsung GALAXY On5 (SM-G550T1) is a samsung device (codename: sm-g550t1). FirmwareMirror hosts 1 verified firmware builds, covering: TMK. Available as official firmware. Last updated: 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung GALAXY On5 (SM-G550T1) (sm-g550t1). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| G550T1UVU2AQC4/G550T1TMK2AQC4/G550T1UVU2AQC4 | Odin | 19.06 MB | N/A |
N/A
|
Download |
T-Mobile version with 5 MP rear camera and 2 MP front camera
| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | |
| HSDPA 850 / 1700(AWS) / 1900 - T-Mobile | ||
| 4G bands | 1, 3, 5, 8, 20, 40 | |
| 2, 4, 12 - T-Mobile | ||
| Speed | HSPA, LTE Cat4 150/50 Mbps |
| Launch | Announced | 2015, October. Released 2015, November |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 142.3 x 72.1 x 8.5 mm (5.60 x 2.84 x 0.33 in) |
|---|---|---|
| Weight | 149 g (5.26 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | · Nano-SIM (T-Mobile only) · Micro-SIM + Micro-SIM |
| Display | Type | TFT |
|---|---|---|
| Size | 5.0 inches, 71.8 cm2 (~70.0% screen-to-body ratio) | |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~288 ppi density) |
| Platform | OS | Android 5.1 (Lollipop) Android 6.0 (Marshmallow) - T-Mobile |
|---|---|---|
| Chipset | Exynos 3475 Quad (28 nm) | |
| CPU | Quad-core 1.3 GHz Cortex-A7 | |
| GPU | Mali-T720 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 8GB 1.5GB RAM | |
| eMMC 4.5 |
| Main Camera | Single | 8 MP, f/2.2, AF |
|---|---|---|
| Features | LED flash | |
| Video | 1080p@30fps |
| Selfie camera | Single | 5 MP, f/2.2 |
|---|---|---|
| Video |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 4.1, A2DP | |
| Positioning | GPS, GLONASS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0 |
| Features | Sensors | Accelerometer, proximity |
|---|
| Battery | Type | Li-Ion 2600 mAh, removable |
|---|---|---|
| Talk time | Up to 15 h (3G) | |
| Music play | Up to 49 h |
| Misc | Colors | White, Black |
|---|---|---|
| Models | SM-G5500, SM-G550F, SM-G5528, SM-G5510, SM-G550T1, SM-G550T, G55, SM-S550TL, SM-G550T2 | |
| SAR | 1.40 W/kg (head) 1.09 W/kg (body) | |
| SAR EU | 0.40 W/kg (head) 0.31 W/kg (body) | |
| Price | About 140 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 On5 (SM-G550T1) 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.
