The Smart 3 Plus is powered by MediaTek Helio A22 system-on-chip (SoC), a quadcore processor that operates at a maximum frequency of 2GHz. The processor is paired with 2GB of RAM and 32GB of internal storage. The phone boots XOS 5.0 Cheetah user interface, which is a heavily customised version of Google Android Pie.
Infinix smart 3 reviews

Specifications aside, the phone handles day to day operations without any hiccups. However, the weak processor fails to handle multitasking jobs or multiple apps in the background.
The OS-level customisations and bloatware are also to blame for phone’s sluggish performance.
 The phone has a dedicated game boost mode, which directs phone’s hardware resources towards a game in motion. However, the device is not suitable for graphic-intensive gaming titles such as PUBG.

INFINIX SMART 3 PLUS SPECIFICATIONS

SUMMARY

Performance : Quad core
Display : 6.21" (15.77 cm)
Storage :32 GB
Camera :13 MP + 2 MP
Battery :3500 mAh
Ram :2 GB
Infinix smart 3 specification

SPECIAL FEATURES

Fingerprint Sensor Position Rear
Other Sensors Light sensor, Proximity sensor, Accelerometer, Compass
Fingerprint Sensor Yes

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GENERAL

Operating System :Android v9.0 (Pie)
Sim Slots :Dual SIM, GSM+GSM, Dual VoLTE
Model :Smart 3 Plus
Launch Date :April 30, 2019 (Official)
Brand :Infinix
Sim Size SIM1: Nano SIM2: Nano
Network 4G: Available (supports Indian bands) 3G: Available, 2G: Available
Fingerprint Sensor Yes

MULTIMEDIA

Loudspeaker Yes
Audio Jack 3.5 mm

PERFORMANCE

Chipset MediaTek Helio A22
Graphics PowerVR GE8300
Processor Quad core, 2 GHz, Cortex A53
Architecture 64 bit
Ram 2 GB

DESIGN

Thickness 7.8 mm
Width 76 mm
Weight 148 grams
Height 157 mm
Colours Sapphire Cyan, Midnight Black

DISPLAY

Display Type IPS LCD
Aspect Ratio 19.5:9
Bezelless Display Yes with waterdrop notch
Screen To Body Ratio Claimed By The Brand 88 %
Pixel Density 271 ppi
Screen To Body Ratio Calculated 80.27 %
Screen Size 6.21 inches (15.77 cm)
Screen Resolution 720 x 1520 pixels
Touch Screen Yes Capacitive Touchscreen
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STORAGE

User Available Storage Up to 24.1 GB
Internal Memory 32 GB
Expandable Memory Yes Up to 256 GB

CAMERA

Settings Exposure compensation, ISO control
Camera Features Digital Zoom, Auto Flash, Face detection, Touch to focus
Image Resolution 4128 x 3096 Pixels
Autofocus Yes Phase Detection autofocus
Shooting Modes Continuos Shooting, High Dynamic Range mode (HDR)
Resolution 8 MP Front Camera
Physical Aperture F2.0
Flash Yes Screen flash

BATTERY

User Replaceable No
Standby Time Up to 296 Hours(2G)
Type Li-ion
Capacity 3500 mAh

NETWORK CONNECTIVITY

Wifi Yes Wi-Fi 802.11, b/g/n
Wifi Features Wi-Fi Direct, Mobile Hotspot
Bluetooth Yes v5.0
Volte Yes
Usb Connectivity Mass storage device, USB charging, microUSB 2.0
Network Support 4G (supports Indian bands), 3G, 2G
Gps Yes with A-GPS
Sim 1 4G Bands:TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS:Available EDGE:Available
Sim Size SIM1: Nano, SIM2: Nano
Sim 2 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS:Available EDGE:Available

Infinix Smart 3 Plus design

At first glance, the Infinix Smart 3 Plus could be mistaken for a more premium phone. Infinix has gone for a glossy body, and the back panel sports a layer of clear plastic that tries to ape the reflectivity of glass. The edges are rounded to provide a comfortable in-hand feel, but we found this phone to be a tad too slippery.
Infinix smart 3

We were a little relieved to see that the company has not gone for the kind of cheap, spray-painted gradient finish that is all the rage these days, and has opted for a more understated look.
There is, however, no protective material of any kind on the glossy rear panel.
It also attracts fingerprint marks and dust particles rather easily.
The Infinix Smart 3 Plus sports a glossy finish on the rear panel that easily gets smudged

 The Infinix Smart 3 Plus comes in Midnight Black, Mocha Brown, and Sapphire Cyan colour options, and we quite like the latter because it's quite unique. This phone bears a strong resemblance to the recently launched Tecno Camon i4 (Review), and were it not for the differently shaped fingerprint sensor and respective company logos, it would be hard to discern one from the other.
It's probably worth pointing out at this stage that Tecno and Infinix have the same parent company, Transsion Holdings.

The power button has a dotted texture and is comfortably located on the right — just below the volume rocker — with both of them providing good tactile feedback.
 The left has the SIM slot that can house two Nano-SIM cards and a microSD card of up to 256GB simultaneously.
The top is blank, while the bottom is populated by the speaker, 3.5mm headphone jack, microphone, and Micro-USB port.

The small earpiece is squeezed between the frame and the waterdrop notch. Despite going for a notch, the Infinix Smart 3 Plus has relatively thick bezels.
Infinix bundles a unique protective case, which is translucent white with a pattern depicting outlines of various objects.
The retail box contains the phone itself, the protective case, a 5V/1.2A charger, Micro-USB cable, SIM eject tool, and some paperwork.

The Infinix Smart 3 Plus packs a 6.21-inch HD+ (720x1520 pixels) In-Cell display with 19.5:9 aspect ratio and 500 nits of peak brightness. The pixel density stands at 269ppi, while the screen-to-body ratio is claimed to be 88 percent. There's a Read Mode and an Eye Care Mode in the software.

This phone is powered by the MediaTek Helio A22 processor clocked at 2GHz. We've seen the Helio A22 before in entry-level phones such as the Tecno Camon i4 (Review), Honor 8S, Honor Y5 2019, and Redmi 6A (Review), to name a few. There's only a single configuration with 2GB of RAM and 32GB of storage which can be expanded by up to 256GB.

Connectivity options include Wi-Fi 802.11 b/g/n Bluetooth 5, a 3.5mm audio jack, FM radio, and a Micro-USB port, while onboard sensors include an accelerometer, proximity sensor, light sensor, and compass. There is also a rear-mounted fingerprint sensor as well as face recognition for security.

As for software, the Infinix Smart 3 Plus runs the custom XOS 5.0 skin based on Android 9 Pie, and our review unit had the April security patch. There is no app drawer button, but a swipe upwards will open the app drawer. The phone comes with a lot of preinstalled apps including Instagram, Facebook Messenger, Facebook, Car Care, Danger Dash, and Flipkart. Aside from the usual suite of Google apps, there are also some in-house apps called XTheme, XShare, and XClub.

This version of XOS has some nifty features such as Bike mode, WhatsApp mode, and a Smart Panel, among others. The WhatsApp mode, when enabled, restricts the data access of all apps running in the background except WhatsApp, and could be helpful when users are running low on data but still want to receive messages.

The Smart Panel, which can be accessed by swiping on the horizontal bar at the right edge of the screen, is a collection of apps and tools that you might use frequently.
It is customisable and can be populated with apps of your choice.

Then there is a Smart Arrange feature that categorises and rearranges app icons into folders. The XTheme app offers wallpaper and fonts for UI customisation. The intelligent Broadcast feature can be activated to listen to notifications, weather updates, live news headlines, and online content pulled from the preinstalled PHX browser.
This app sends a tonne of notifications and we had to disable its notification permission to stop seeing them.
You can also choose to activate the audio broadcast feature by double tapping on the lock screen.
For navigation, users can choose between the classic three-button Android layout and a ‘Mix navigation' option, which just shows an elongated pill that acts as a Home button and can open the app switcher, with a Back button to the side. There is a third gesture-based option too, which hides the navigation buttons and instead makes you swipe upwards on the same positions.

Infinix Smart 3 Plus performance, cameras, and battery life

Before we go into details about the Infinix Smart 3 Plus' performance and camera quality, let's talk about the display. The 6.21-inch HD+ panel renders vibrant colours and we didn't have any trouble watching content on it. Viewing angles are good, and so is sunlight legibility.
The screen is quite reflective and it's a bit difficult to see content against dark backgrounds under sunlight.

There is an adaptive brightness mode for automatic brightness adjustment.
An ‘Inadvertently mode' prevents the phone from registering unintended touch input by ‘extrusion or fabric sliding while in the pocket', and though we didn't find it to be particularly useful, it did work as expected.

You can choose to mask the notch for specific apps if you want. A reading mode lowers the display's brightness and gives it a reddish tinge for a more comfortable reading experience.

Coming to general performance, we found that 2GB of RAM is not sufficient, and if you multi-task a lot and have a tonne of apps installed on your phone, lags and stutters will be inevitable.
We found that the phone generally handled app switching well, but as soon as a few heavy apps or games were put into action, the phone began to struggle.
Even calling up the keyboard took over a second in such scenarios, which was quite frustrating.

The fingerprint sensor worked without a hitch, but face recognition was a little slow and it took over a second to unlock the phone even in well-lit conditions.

We tried playing a few games on the phone, but the Infinix Smart 3 Plus did not fare very well.
While light games like Angry Birds played smoothly, more intense titles such as Asphalt 9: Legends lagged and stuttered, even at the lowest settings. PUBG Mobile simply refused to go past the load screen after pressing the ‘Start' button to begin a match.
To sum it all up, the Infinix Smart 3 Plus is only good for general usage, and if you are a heavy multi-tasker or gamer, this is not the right phone for you.

Coming to synthetic benchmarks, the Infinix Smart 3 Plus refused to run Geekbench, and also stopped abruptly several times while running AnTuTu. We eventually got a score of 62,003 on AnTuTu, which is very weak. GFXBench's Manhattan 3.1 and T-Rex tests returned 21fps and 8.2fps respectively.
In 3Dmark Slingshot, we recorded 456, while 3DMark Ice Storm Extreme returned 5,703.
The Infinix Smart 3 Plus packs three rear cameras. In addition to the standard camera and depth sensor, this phone features a low-light sensor. This is claimed to help capture bright low-light shots with lots of detail, akin to phones try to achieve the same objective with a low-light or night mode in their apps. The primary rear camera has a 13-megapixel sensor and f/1.8 aperture, and it is assisted by a 2-megapixel depth sensor.

Camera features on this phone include PDAF, AI scene detection, AR stickers, portrait mode, and AI HDR. On the front of the Smart 3 Plus is an 8-megapixel camera with an f/2.0 aperture and AI enhancement.

The camera app is pretty basic, with nothing more than image size adjustment, grid lines, and a watermark option available in the settings. There are modes labelled Video Cam, AI Cam, Beauty, Bokeh and AR Shot at the bottom of the screen, while HDR, flash, and scene mode toggles sit in a row at the top. There is no Pro mode or Panorama mode, which is quite surprising. The Beauty mode is also quite basic, with just six levels of AI-powered beautification, and no specific controls like eye enlargement, face thinning, etc.

When it comes to camera performance, daylight photos generally turned out good, especially close-up shots. Colours looked natural and gradients were also captured with a good amount of surface detail.
The Infinix Smart 3 Plus was pretty quick at locking focus and also fared well with edge detection in general.
However, some edge bleeding was noticeable if the object in focus had rich colours and was positioned against a contrasting background.

As for regular daylight shots, the Infinix Smart 3 Plus proved to be a capable phone given its price point.
Long-range shots had good dynamic range, but there was some fuzziness in elements at the periphery of the frame. HDR thankfully didn't exaggerate colours, and rendered natural tones. We were a little disappointed by how the Infinix Smart 3 Plus' cameras handled sunlight. Photos taken under harsh daylight appeared washed out and muted.

We were pleased with the colour profile and depth of bokeh effect in shots, but the phone occasionally blurred out the edges of the object that needed to be in focus.
 Photos captured indoors turned out be just average, with grainy textures and low saturation.

The Smart 3 Plus has a dedicated low-light sensor which can discern more detail in low light, but there was a lot of noise and grain in the background of shots and there is also a lot of fuzziness at the periphery of the frame.
We noticed that when using the low-light sensor, the ISO used for a shot is bumped up, and finer details are lost.
Then again, having a dedicated low-light sensor is better than not having any kind of low-light photography mode or feature, which is the standard for phones in this price segment.

The 8-megapixel front camera captured good selfies that we found to be worth posting on social media.
 We appreciated the fact that there's no aggressive smoothening on faces.
The selfies we took looked natural and had a decent amount of detail with punchy colours.
The focus lock was also spot on. However, the front camera struggled indoors, with images turning out grainy and colours appearing muted.

Verdict

The Infinix Smart 3 Plus is a budget device that comes with a lot of features and presents a great look.
It has an HD+ display, good battery backup, impressive cameras and storage.
However, it cannot support heavy gaming, hence aims at the moderate users.
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