Infinix Smart 3 Plus
Price in Bangladesh
Unofficial ৳9,500 Available in shops · shop warranty
Variant
Prices checked 9 March 2026. Official or unofficial: which to buy?
Key specifications
- Display
- 6.21″ IPS LCD
- Chipset
- MediaTek Helio A22
- RAM
- 2GB
- Storage
- 32GB
- Rear camera
- 13MP Triple
- Selfie camera
- 8MP
- Battery
- 3,500mAh
- Network
- 2G, 3G, 4G
- OS
- Android v9.0 (Pie)
- Weight
- 148g · 7.8mm
Infinix Smart 3 Plus overview
The Infinix Smart 3 Plus is a smartphone from Infinix, released in April 2019. It comes with a 6.21-inch IPS LCD display, the MediaTek Helio A22 chipset, 2GB of RAM and 32GB of storage. For photography there is a 13MP triple rear camera and a 8MP selfie camera. A 3,500mAh battery powers the phone. It is not officially sold in Bangladesh yet; the unofficial market price starts at ৳9,500.
What's good
What's not
- Entry-level chipset, not for heavy gaming
- Small 3500mAh battery
- No 3.5mm headphone jack
- Not officially available in Bangladesh
Infinix Smart 3 Plus full specifications
Launch
| Brand | Infinix |
|---|---|
| Model | Smart 3 Plus |
| Device Type | Smartphone |
| Release Date | 04 April 2019 |
| Status | Available |
Platform
| Operating System | Android |
|---|---|
| OS Version | v9.0 (Pie) |
| Chipset | MediaTek Helio A22 |
| CPU | Quad core, 2 GHz, Cortex A53 |
| CPU Cores | 4 Cores |
| Architecture | 64 bit |
| GPU | PowerVR GE8300 |
Display
| Display Type | IPS LCD |
|---|---|
| Screen Size | 6.21 inches (15.77 cm |
| Resolution | 720x1520 px (HD+) |
| Aspect Ratio | 19.5:9 |
| Pixel Density | 271 ppi |
| Screen to Body Ratio | 80.27 % |
| Screen Protection | Gorilla Glass |
| Bezel-less Display | Yes with waterdrop notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Refresh Rate | 60 Hz |
| Notch | Waterdrop |
Rear Camera
| Camera Setup | Triple |
|---|---|
| Resolution | 13 MP f/1.8, Primary Camera, 2 MP, Depth Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Image Resolution | 4128 x 3096 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/1.8 |
| Camera Features | Auto Flash, Face detection, Touch to focus |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
Selfie Camera
| Camera Setup | Single |
|---|---|
| Resolution | 8 MP f/2.0, Primary Camera |
| Flash | LED Flash |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
| Aperture | f/2.0 |
Body & Design
| Height | 157 mm |
|---|---|
| Width | 76 mm |
| Thickness | 7.8 mm |
| Weight | 148 grams |
| Build | Back: Plastic |
| Colors | Sapphire Cyan, Midnight Black |
Battery
| Battery type | Li-Poly (Lithium Polymer) |
|---|---|
| Capacity | 3500 mAh |
| Standby | Up to 296 Hours(2G) |
Memory
| Internal Storage | 32 GB |
|---|---|
| Storage Type | eMMC 5.1 |
| User Available Storage | Up to 24.1 GB |
| Expandable Memory | Up to 256 GB |
| RAM | 2 GB |
| RAM Type | LPDDR3 |
Connectivity
| Network | 2G, 3G, 4G |
|---|---|
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps |
| WLAN | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | v5.0 |
| GPS | Yes with A-GPS |
| Wi-fi Hotspot | Yes |
| USB | Mass storage device, USB charging, microUSB 2.0 |
Sensors & Security
| Light Sensor | Accelerometer, Compass, Gyroscope |
|---|---|
| Fingerprint Sensor | Yes |
| Finger Sensor Position | Rear-mounted |
| Face Unlock | Yes |
Audio & Media
| FM Radio | Yes |
|---|---|
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
| Audio Jack | 3.5 mm |
| Video | 1080p@30fps |
More
| Made By | China |
|---|---|
| Features | Accelerometer, proximity, compass |
Specifications may differ by region or variant. Spotted a mistake? Let us know.
Frequently asked questions
What is the price of Infinix Smart 3 Plus in Bangladesh?
Infinix Smart 3 Plus is available in the unofficial market from ৳9,500.
Does Infinix Smart 3 Plus support 5G?
No, Infinix Smart 3 Plus does not support 5G. It works on 2G, 3G, 4G networks.
How big is the battery of Infinix Smart 3 Plus?
Infinix Smart 3 Plus has a 3500mAh battery.
Which processor does Infinix Smart 3 Plus use?
Infinix Smart 3 Plus is powered by the MediaTek Helio A22 (Quad core, 2 GHz, Cortex A53).
When was Infinix Smart 3 Plus released?
Infinix Smart 3 Plus was released in April 2019.
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