Infinix Smart 3 Plus: Features, Specifications and Price

Infinix new device, the Infinix Smart 3 Plus is a budget device made to target the youths as it spots latest smartphone designs and also improved camera setup. It is the second Infinix device after the Infinix Hot S4 with the triple camera setup.

Design and Display

The first noticeable change in the Infinix Smart 3 plus is the trendy dew drop notch that houses the front camera. Flipping the phone over to the back reveals a triple camera setup accompanied by a LED flash and a fingerprint sensor.

There is also cut out for 3.5mm Audio Jack, USB C port and speaker. Like most Infinix devices under this category, the body of the phone is made of durable plastic and the screen has 2.3D protection. You can also get the device in Cosmic Purple, Midnight Black, Aqua Blue and Bordeaux Red.

The Infinix Smart 3 Plus sports a 6.21 inch IPS LCD touchscreen with a 720 x 1520 pixel resolution. The display accounts for over 81% screen to body resolution thanks to the dewdrop notch and the minimal chin bezel. The display aspect ratio is 19:9, providing a better view for entertainment.


Despite being promoted as an AI-enabled device triple camera setup, the Infinix Smart 3 Plus camera is still everything you will find in a budget device. The rear camera has a 13 MP main shooter with f/1.8 aperture supported by a 2MP and QVGA lenses. There is also a dual LED flash for illumination. The selfie shooter is an 8MP lens with facial unlock technology

Hardware Components (Processor and Memory)

The device is powered by the MediaTek Helio P22 chipset (an improvement over the HOT 7 series) spotting four ARM Cortex A53 cores, with the maximum speed of 2200 MHz  (2.2 GHz). This is further aided by PowerVR GE8320 GPU clocked at 570 MHz.

In the memory segment, there is a variation with 2GB of RAM space (the speed at 933 MHz) for multitasking, or you can opt for the better 3GB of RAM space variation. Either way, you get 32GB of storage space, expandable to 128GB via external storage card (MicroSD).

Battery and OS

Unlike the HOT series with 4000mAh batteries, the SMART 3 Plus has a non-removable 3500 mAh battery, though it can give you about 30 Hours talk time on 3G. There is no fast charge support on board.

The device runs the Android 9 Pie OS under the Infinix XOS 5 skin out of the box.

Overall Specifications


OS Android 9.0 Oreo Under XOS 5
Display 6.2 inch IPS LCD HD+ Display
Camera 13 MP+ 2 MP + QVGA triple rear, 8 MP selfie
Storage 32 GB Expandable to 128 GB
Processor Quad Core, 1.5 GHz
Battery 3500 mAh
Security Face ID and Fingerprint ID


Technology GSM / CDMA / HSPA
2G GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G LTE band 2100 / 1800 / 850 /900 / 2600 / 2300 / 2500
SIM Type Dual nano-SIM slot

Design and Display

157 x 75 x 7.9 mm
Height 156 mm
Width 76. mm
Thickness 7.8 mm
Weight 148g
Display Size 6.21-inch
Display Resolution 720p HD+ (1520 x 720 pixels)
Display Technology IPS LCD
Build Plastic
Protection 2.5D Curved Glass
Colours Ice Blue, Millan Black, Tradewinds GrayPlatform and Hardware


OS Android 9.0 Oreo Under XOS 5
Processor Name/Technology MediaTek Helio P22
Number of Processor Cores 4
Processor Speed 4 Cortex A53 clocked at 2.0 GHz
Graphics Chipset PowerVR GE8100 clocked at 570 MHz
RAM 2 GB | 3 GB
Internal Storage 32 GB
External Storage Yes, Up to 128GB
Sensors G-sensor, P-Sensor, Gyro, Touch Sensor, Electronic Compass


Front 8 MP Camera,
Rear 13 MP + 2 MP + QVGA MP AI assisted triple Camera, ƒ/2.0 large aperture, Led Flash, 1080p Video@30fps
Features AI, Autofocus, Dual LED Flash, Geo-Tagging, Touch Focus, Face Detection, Panorama, Portrait


Video FLV, MP4, MKV, AVI, 3GP
Audio WAV, MP3, MP2, ACC, AMR-NB, AMR-WB, MIDI, Vorbis, APE, AAC-Plus V1, AAC-Plus V2, FLAC, WMA, ADPCM
Image Jpeg, Png, Gif, Bmp
Speaker Chipset Nil
Audio Jack Yes,


Bluetooth Bluetooth® 5.0, A2DP, LE
Wifi Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
USB Yes, 2.0


Battery Capacity 3,500 mAh
Battery Technology Li Po
Fast Charging No
Removable No

Extra Features

Security Features Face ID and Finger Print


Around ₦ 35,000 – ₦ 44,000