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  • The Infinix Hot S3 has a vivid 5.65-inch 18:9 display
  • It is powered by a Snapdragon 430 processor, 16GB ROM and has 3GB of RAM
  • It boasts of a 20-megapixel selfie camera with dual-LED flash




It is made of good quality plastic and has curved edges that help grip it quite well.

Infinix s3 back case cover helps prevent to keep fingerprints off the back panel.

The phone sports a 5.65-inch display with the 18:9 aspect ratio which makes the phone tall and narrow.

Infinix has opted for on-screen navigation buttons which is common on most smartphones these days. Above the display, Infinix has placed a metallic speaker grille, a selfie camera, and a dual-LED flash.

The loudspeaker, Micro-USB port, and primary microphone are at the bottom, while the 3.5mm headphone jack is at the top.

The power and volume buttons are on the right while the SIM tray is on the left of the device.

The power button has a metallic texture which makes it easy different from other infinix devices.

The rear-mounted fingerprint scanner is placed a little higher than we would have liked.



Hot S3 hardware is very good for the price.

It is powered by the Snapdragon 430 SoC, which is an octa-core processor clocked at 1.4GHz.

Infinix Hot s3 comes with 3GB of RAM and 32GB of storage

We had the lower priced variant for review, and found that it had over 22GB of free space available. Storage is expandable using a microSD card of up to 128GB in the dedicated slot.

The 5.65-inch display sports HD+ resolution and has NEG Glass for protection.

It has good viewing angles, a vivid output, and is viewable under direct sunlight.

With 4000mAh non-removable battery and includes a 10W charger in the box.

There is support for Bluetooth 4.2, USB-OTG, GPS, and Wi-Fi. This is a-dual SIM device and has two Nano-SIM slots with support for 4G and VoLTE.


The Hot S3 device runs on Android Oreo, which is a pleasant surprise, and its custom Hummingbird XOS 3.0 UI on top.

The UI is functionally similar to stock Android but has a few pleasant visual enhancements.

You can double-tap to wake the device or draw alphabets on screen to quickly launch apps when the phone is in standby. One-handed mode is also available to shrink the display so that it is comfortable to use with one hand. This can be quickly activated by swiping across the on-screen buttons

There are also quite a few apps that come preinstalled on the phone.

The entire suite of Google apps is present, along with Inifinix’s own apps called XClub, XShare and XTheme. XClub is a forum for Infinix; Xshare is a file sharing app; and XTheme lets you apply different themes.

There’s also Phoenix Browser; Magic Movie, a social networking app for sharing videos made by Transsion Mobile; Cleaner which kills apps in the background to free up RAM; and a Freezer app which hibernates apps that you drag into it.

Infinix Hot S3 performance, cameras, and battery life


The Hot S3 offers steady performance thanks to the Snapdragon 430 SoC. With 3GB of RAM, the phone managed to multitask quite well.

I found usage to be smooth, and did not observe any lag or stutter in the UI.

The fingerprint scanner works quickly most of the time.

Infinix seems to use good display panels.


I am really impressed with the display of Hot S3 which delivers great quality display.

The Hot s3 device has one of the best displays in its price range.

It is crisp and makes playing games and watching videos quite engaging and super Entertaining.

With 4000mAh non-removable battery which helped the phone clock 13 hours and 5 minutes in our HD video loop test.

The phone can last one day with light to medium usage but will need to be charged by night time if you are a heavy user.


The Infinix Hot S3 is equipped with a 13-megapixel rear camera with autofocus, and a 20-megapixel fixed-focus selfie camera.

The camera app is quite basic and has beauty, time-lapse, and professional modes to choose from apart from the usual photo,

video and panorama modes.

The professional mode gives you control over the ISO, white balance, exposure, shutter speed, and focus.


Shot on S3 Device


S3 device also offers a few filters that you can apply before taking shots.

There are quick toggles for HDR and the flash.

The photos taken with this smartphone managed to surprise us.

Most photos look very good on the phone thanks to the vivid display.

While taking landscape shots, we observed that the camera tends to overexpose images, but manually lowering the exposure value gave us better results.

When shooting against harsh light we did observe chromatic aberration, and bright skies sometimes resulted in images appearing burnt out.

Details are fairly good but you will see fine grain when checking photos at full size. Macros are also sharp, and the phone manages to capture colors accurately.

Taking macros indoors is a little slow as the device isn’t quick to lock focus.


Final Verdict on Infinix Hot s3

The Infinix Hot S3 is one of the more impressive all-rounders we’ve seen recently.

It isn’t the most powerful budget smartphone out there but has capable hardware that gets the job done.

The display is one of the strongest aspect of the Infinix Hot S3.

Camera performance is acceptable for the price and the battery should last you one day.

At N62,200, the Infinix Hot S3 checks almost all boxes for a good budget smartphone.



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