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Infinix Smart 3 Plus

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Official Price in Bangladesh
৳9,500.00
Available
🔄 Last Updated: October 13, 2026
•
🏷️ Brand: Infinix
Display 6.21 inches (15.77 cm (60 Hz)
Processor MediaTek Helio A22
Camera 8 MP (Single)
Battery Li-Poly (Lithium Polymer)
RAM & Storage 2 GB RAM / 32 GB ROM
OS Android v9.0 (Pie)
Brand: Infinix • Category: Smartphones
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Our Rating

The overall rating is based on review by our experts

8.8 4.4 1
  • Display 9 / 10
  • Performance 9 / 10
  • Camera 8 / 10
  • Battery 9 / 10
  • Design 9 / 10
Verified Tech Analysis
Nuviaz Tech Editorial • Certified Bangladesh Market Data

Infinix Smart 3 Plus Specifications & Hardware Analysis

The **Infinix Smart 3 Plus** by Infinix is officially listed at **৳9,500** in Bangladesh. Positioned in the competitive mobile market, it is built around a **6.21 inches (15.77 cm IPS LCD (720×1520 px (HD+)) with 60 Hz refresh rate**, powered by the **MediaTek Helio A22 (Quad core, 2 GHz, Cortex A53) and PowerVR GE8300 graphics**, equipped with **2 GB RAM and 32 GB internal storage**, and backed by a **3500 mAh Li-Poly (Lithium Polymer)**.

Display Panel & Visual Experience

The front of the Infinix Smart 3 Plus is dominated by a 6.21 inches (15.77 cm IPS LCD (720×1520 px (HD+)) with 60 Hz refresh rate. With a pixel density of 271 ppi, text and app icons render sharp and legible. The display offers adequate brightness for everyday indoor and outdoor viewing. Screen protection is provided by Gorilla Glass. The 60 Hz refresh rate ensures smooth UI animations and fluid scrolling across web feeds.

Processor, Memory & Operating System

Under the hood, the Infinix Smart 3 Plus runs on the MediaTek Helio A22 (Quad core, 2 GHz, Cortex A53) and PowerVR GE8300 graphics, paired with 2 GB RAM and 32 GB internal storage. Operating system duties are handled by Android v9.0 (Pie) with Back: Plastic. In practical day-to-day use, this hardware configuration handles essential tasks—such as web browsing, social media feeds, banking apps, and communication—reliably. For graphics and light gaming, the PowerVR GE8300 chip provides steady rendering on compatible settings.

Camera Setup & Video Capabilities

Photography on the Infinix Smart 3 Plus is anchored by a Single camera setup featuring 8 MP f/2.0, Primary Camera. The setup includes features such as Continuous Shooting, High Dynamic Range mode (HDR). For video recording, the primary camera captures up to 1920×1080. Selfie capture handles video calls and casual portraits under proper lighting.

Battery Capacity & Charging

Endurance is driven by a 3500 mAh Li-Poly (Lithium Polymer). Given the power profile of the MediaTek Helio A22, this capacity is designed to comfortably power the device through a full day of standard daily usage. Standard charging replenishment keeps daily downtime manageable.

Design, Build & Security

In terms of build and ergonomics, the device measures 157 mm x 76 mm x 7.8 mm with a weight of 148 grams, finished in Sapphire Cyan, Midnight Black. Biometric authentication is handled by a Yes fingerprint sensor. Network capabilities include 2G, 3G, 4G with Dual SIM, GSM+GSM support.

Pros & Cons Breakdown

✔ Key Advantages:

  • 6.21 inches (15.77 cm IPS LCD (720×1520 px (HD+)) with 60 Hz refresh rate display setup.
  • Substantial 3500 mAh battery capacity.
  • Dedicated MediaTek Helio A22 processing silicon.
  • Convenient 3.5mm audio headphone jack.
  • Expandable storage via memory card slot.
✖ Considerations:

  • Charging speed and retail package contents depend on distributor shipment.

Market Verdict

At its price point of **৳9,500**, the **Infinix Smart 3 Plus** by Infinix provides a balanced set of hardware specifications. With its 6.21 inches (15.77 cm display, MediaTek Helio A22 processing platform, and 3500 mAh battery, it represents a practical choice for consumers in Bangladesh seeking official hardware backed by local warranty support.

Infinix Smart 3 Plus - Specs

General

Specifications
Brand Infinix
Model Smart 3 Plus
Device Type Smartphone
Status Available
Release Date 04 April 2019

Hardware & Software

Specifications
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

Specifications
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

Cameras

Specifications
Camera Setup Single
Resolution 8 MP f/2.0, Primary Camera
Autofocus Yes
Flash LED Flash
Settings Exposure compensation, ISO control
Zoom Digital Zoom
Shooting Modes Continuous Shooting, High Dynamic Range mode (HDR)
Aperture f/2.0
Camera Features Auto Flash, Face detection, Touch to focus
Video Recording 1920x1080
Video FPS 30 fps
Image Resolution 4128 x 3096 Pixels

Design

Specifications
Height 157 mm
Width 76 mm
Build Back: Plastic
Colors Sapphire Cyan, Midnight Black
Thickness 7.8 mm
Weight 148 grams

Battery

Specifications
Battery type Li-Poly (Lithium Polymer)
Capacity 3500 mAh
Standby Up to 296 Hours(2G)

Memory

Specifications
Internal Storage 32 GB
Storage Type eMMC 5.1
RAM 2 GB
RAM Type LPDDR3
Expandable Memory Up to 256 GB
User Available Storage Up to 24.1 GB

Network & Connectivity

Specifications
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

Specifications
Light Sensor Accelerometer, Compass, Gyroscope
Fingerprint Sensor Yes
Finger Sensor Position Rear-mounted
Face Unlock Yes

Multimedia

Specifications
Loudspeaker Yes
Audio Jack 3.5 mm
Video 1080p@30fps
FM Radio Yes
Alert Types Vibration, MP3, WAV ringtones

More

Specifications
Made By China
Features Accelerometer, proximity, compass
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Infinix Smart 3 Plus - Reviews

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Frequently Asked Questions (FAQ)

8 Verified Answers
❓ What is the official price of Infinix Smart 3 Plus in Bangladesh? ▼

The official price of Infinix Smart 3 Plus in Bangladesh is ৳9,500. Authorized retail showrooms and distributors offer official BTRC-approved units with manufacturer warranty.

❓ Which processor and software does the Infinix Smart 3 Plus use? ▼

The Infinix Smart 3 Plus is powered by the MediaTek Helio A22 (Quad core, 2 GHz, Cortex A53) and PowerVR GE8300 graphics, running on Android v9.0 (Pie) with Back: Plastic.

❓ What are the display specifications of Infinix Smart 3 Plus? ▼

It features a 6.21 inches (15.77 cm IPS LCD (720x1520 px (HD+)) with 60 Hz refresh rate.

❓ What is the camera setup on the Infinix Smart 3 Plus? ▼

The device features a Single camera setup featuring 8 MP f/2.0, Primary Camera.

❓ What RAM and storage options are available on Infinix Smart 3 Plus? ▼

The hardware configuration features 2 GB RAM and 32 GB internal storage, with expandable storage (Up to 256 GB).

❓ What network connectivity and SIM options are supported on Infinix Smart 3 Plus? ▼

It supports 2G, 3G, 4G networks with Dual SIM, GSM+GSM support in Bangladesh.

❓ Does the Infinix Smart 3 Plus have a fingerprint scanner? ▼

Yes, it includes a Yes fingerprint sensor positioned on the Rear-mounted for biometric security.