The Xiaomi Mi A3 is an Android One smartphone from Xiaomi, serving as the successor to the Mi A2. It features a 6.01-inch HD+ AMOLED display with a resolution of 720 x 1560 pixels and a waterdrop notch at the top. The screen supports an in-display fingerprint sensor for biometric authentication.
The device is powered by the Qualcomm Snapdragon 665 octa-core processor, clocked at 2.0 GHz, paired with the Adreno 610 GPU. It comes with either 4 GB or 6 GB of RAM and offers internal storage options of 32 GB, 64 GB, or 128 GB. Storage can be expanded up to 256 GB via a microSD card.
On the rear, the Mi A3 has a triple camera setup. The primary sensor is a 48-megapixel unit with an f/1.79 aperture. It is indeed accompanied by an 8-megapixel ultra-wide-angle lens and a 2-megapixel depth sensor. The camera system includes a single LED flash. For selfies, the phone is equipped with a 32-megapixel front-facing camera, which uses the display as a fill light in low-light conditions.
The smartphone supports dual Nano-SIM cards with 4G LTE connectivity on both slots. It runs on Android 9.0 Pie as part of the Android One program, ensuring a near-stock Android experience with regular updates. The device is powered by a 4030 mAh battery and supports 18W fast charging through a USB Type-C port.
Additional sensors include an accelerometer, proximity sensor, compass, and ambient light sensor. The Xiaomi Mi A3 provides a balance of mid-range specifications suitable for everyday use.
Technology | GSM / HSPA / LTE |
2G Network Bands |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) CDMA 800 & TD-SCDMA |
3G Network Bands |
HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO |
4G Network Bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) |
5G Network Bands | Does not have support for 5G Network |
Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps |
Also Known As |
- - |
Dimensions | 153.5 x 71.9 x 8.5 mm |
Weight | 173.8 g |
Build | Front/back glass (Gorilla Glass 5), aluminum frame |
SIM Type | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
Display Type | Super AMOLED capacitive touchscreen, 16M colors |
Size | 6.01 inches, 88.7 cm2 (~80.3% screen-to-body ratio) |
Resolution | 720 x 1560 pixels, 19.5:9 ratio (~286 ppi density) |
Operating System | Android 9.0 (Pie); Android One |
Chipset | Qualcomm SDM665 Snapdragon 665 (11 nm) |
CPU | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
GPU | Qualcomm Adreno 610 |
RAM + ROM | 4/6 GB |
Card Slot | Yes, up to 256 GB via microSD card (uses SIM 2 slot) |
Camera Type | Triple Lenses |
Camera Sensor(s) | 48MP + 8 MP + 2 MP main camera |
Camera Features |
Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Sensor size - 1/2" Pixel size - 1.6 μm (4-in-1 pixel binning) Phase detection Laser autofocus Contrast autofocus Sapphire crystal glass lens cover 6-element lens 8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, depth sensor |
Video Resolution | 2160p@30fps, 1080p@30/60/120fps |
Camera Type | Single Lens |
Camera Sensor(s) | 32-megapixel |
Camera Features |
f/2.0 aperture 1/4" Pixel Size, 1.0µm, Autofocus |
Video Resolution | 1080p@30fps |
Loudspeaker | Yes |
Speaker Location | Chin, below display |
Audio Jack Type | Yes, 3.5mm audio jack, |
Bluetooth | Bluetooth 5.0, A2DP, LE, aptX HD |
NFC | |
GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS |
FM Radio | Yes; FM radio |
Battery Capacity | Non-removable Li-Po 4030 mAh battery |
Wireless Charging | No |
Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 34 hours |
Stand-by | Up to 580 hours |
Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
Box Contents | Charging Brick / USB cable |
Note: Specifications may not be 100% accurate.