| Attribute | Value |
| General |
| Brand | Xiaomi |
| Launch |
| Announced | 2019-01-01 |
| Body |
| Width | 8.4 mm |
| Length | 140.4 mm |
| Height | 70.1 mm |
| Weight | 137 g |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Front | Glass |
| Back | Plastic |
| Frame | Plastic |
| Network |
| Technology | |
| 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, 20, 28, 38, 40, 41
|
| 5G bands | Add |
| Speed | - HSPA 42.2/5.76 Mbps
- LTE Cat4 150/50 Mbps
|
| Platform |
| OS | Android 8.1 Oreo (Go edition) |
| Chipset | Qualcomm MSM8917 Snapdragon 425 (28 nm) |
| CPU | Quad-core 1.4 GHz Cortex-A53 |
| GPU | Adreno 308 |
| Memory |
| Card slot | microSDXC (dedicated slot) |
| Internal | |
| Display |
| Size | 5 in |
| Resolution | 720 x 1280 px |
| Protection | Add |
| Display Type | IPS LCD |
| Battery |
| Type | Li-Ion |
| Charging | Add |
| Capcity | 3000 mAh |
| Main Camera |
| Main Camera Type | Single |
| Main Camera Properties | - 8 MP, f/2.0, 1/4.0", 1.12µm, AF
|
| Main Camera Video | 1080p@30fps |
| Main Camera Features | LED flash, HDR |
| Selfie Camera |
| Selfie Camera Type | Single |
| Selfie Camera Properties | - 5 MP, f/2.2, 1/5", 1.12µm
|
| Talk time | Add |
| Selfie Camera Features | HDR |
| Comms |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.1, A2DP, LE |
| GPS | + |
| NFC | - |
| Radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go |
| Sound |
| Loudspeaker | + |
| 3.5mm jack | + |
| Features |
| Sensors | |
| Misc |
| Colors | |
| Models | - M1903C3GG
- M1903C3GH
- M1903C3GI
|
| Selfie Camera Video | Add |
| SAR EU Head | Add |
| SAR Head | 0.58 W/kg |
| SAR Body | 1.5 W/kg |
| SAR EU Body | Add |