| Hardware and OS Xiaomi Mi A1 | 
| Operating system: | Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie); Android One | 
| Processor: | Octa-core 2.0 GHz Cortex-A53 | 
| Chipset: | Qualcomm MSM8953 Snapdragon 625 (14 nm) | 
| GPU: | Adreno 506 | 
| Internal memory: | 64 GB, 4 GB RAM | 
| External memory: | microSD, up to 128 GB (uses SIM 2 slot) | 
| Display Xiaomi Mi A1 | 
| Type: | LTPS IPS LCD | 
| Size: | 5.5" inc | 
| Resolution: | 1080 x 1920 px | 
| Protection: | Corning Gorilla Glass 3 | 
| Touchscreen: | capacitive touchscreen | 
| Screen-to-Body Ratio: | 70.1% | 
| Display area: | 82.6 cm2 | 
| Display aspect ratio: | 16:9 (height:width) | 
| Pixel Density: | 403 PPI | 
| Colors: | 16M | 
| Connectivity Xiaomi Mi A1 | 
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 
| 3G Network: | HSDPA 850 / 900 / 1900 / 2100 | 
| 4G Network: | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) | 
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | 
| Network: | GSM / HSPA / LTE | 
| SIM card: | Hybrid Dual SIM (Nano-SIM, dual stand-by) | 
| Bluetooth: | 4.2, A2DP, LE | 
| Edge: | Yes | 
| GPRS: | Yes | 
| GPS: | Yes, with A-GPS, GLONASS, BDS | 
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | 
| USB: | 2.0, Type-C 1.0 reversible connector | 
| Camera Xiaomi Mi A1 | 
| Main camera: | 12 MP, 
 Dual | 
| Specs: | 12 MP, f/2.2, 26mm (wide), 1.25µm, PDAF 
 -12 MP, f/2.6, 50mm (telephoto), 1.0µm, AF, 2x optical zoom | 
| Features: | Dual-LED dual-tone flash, HDR, panorama | 
| Video: | 2160p@30fps, 1080p@30fps, 720p@120fps | 
| Selfie camera: | 5 MP,
 Single | 
| Specs: | 5 MP | 
| Video: | 1080p@30fps | 
| Multimedia Xiaomi Mi A1 | 
| 3.5 mm Jack: | Yes | 
| Radio: | FM radio | 
| Design Xiaomi Mi A1 | 
| Colors: | Black, Gold, Rose Gold, Red | 
| Body build: | Front glass, aluminum frame, back | 
| Dimensions: | 155.4 x 75.8 x 7.3 mm | 
| Weight: | 165 g | 
| Battery Xiaomi Mi A1 | 
| Battery capacity: | 3080 mAh,  Non-removable Li-Po | 
| Other Xiaomi Mi A1 | 
| Release date: | 2017, September | 
| Sensors: | Fingerprint (rear-mounted), accelerometer, gyro, proximity , Infrared port  |