HomeReviewsInfinix S4 Review: Worth considering if you are on a budget!

Infinix S4 Review: Worth considering if you are on a budget!

Can Infinix S4 be a strong contender in the budget segment?? Let's check out the review of Infinix S4.


Vibrant display Triple rear camera 32MP selfie camera Bigger battery


Average performance Plastic build Slow charging

Infinix has recently launched its latest budget-centric smartphone, the Infinix S4 in India for Rs 8,999. It comes in a single variant with 3GB RAM and 32GB internal storage. It will be available for purchase from Flipkart starting May 28.

At this price point, the phone comes with a host of exciting features including a large 4000mAh battery, triple rear camera setup and a 32-megapixel AI front camera. So, the real question is, can it be a strong contender in the budget segment?? I’ve been using it as my daily driver from the last few days. Let’s check out the review of Infinix S4.

Design and Display

Infinix S4 phone comes with a pretty sleek design language. It sports a glossy and gradient finish Though the body is made of plastic. We received the Nebula Blue colour variant of the phone which looks cool

Infinix S4 Review

The phone features an AI triple cameras at the back aligned in a vertical setup with a quad-LED flashlight. There is a rectangular shaped fingerprint sensor at the centre as well on the back. Just beneath the fingerprint sensor, there is the Infinix branding also. The selfie camera exists in a water drop notch. If you are not a fan of notch display smartphones, then you can hide it from settings.

The right side of the device features volume controls and power on/off button while on the left, there is dual-SIM and microSD card slot. The bottom panel of the phone has a micro USB port, a speaker grille, and a 3.5mm audio jack.

Infinix S4 Review

On the display front, you get a 6.26-inch HD+ display with 20 x 1520 pixels resolution, 19.5:9 aspect ratio and 500nit screen brightness. The viewing angles on the screen are satisfactory and in outdoor conditions, readability was not an issue. In bright sunlight, we were easily able to operate the phone. The Infinix S4 is quite lightweight at 155 grams and due to its compact size, it fits into the hand perfectly.

During our usage, we found the screen brightness is very impressive. The brightness is not harsh to stress your eyes and the auto brightness works very efficient to adjust with the environment. The screen brightness can also be controlled automatically. There is an eye care mode on the smartphone as well for a comfortable reading experience at night. Due to its glossy finish, the phone attracts lots of smudges at the back panel. But Infinix ships a TPU case in the box, which you can use to reduce smudges.

Hardware and Software

Infinix S4 features modest hardware. It is powered by an Octa-Core 2.0GHz, MediaTek Helio P22 chipset with PowerVR GE8320 GPU. It is backed up by a 3GB of RAM and 32GB of internal memory, which can be further expanded up to 256GB via microSD card slot. This octa-core mobile chipset is mediocre but it allows you to do all the day to day tasks with ease without many instances of lag.

Infinix S4 Review

We didn’t face any issues with regular usage, even when engaging with multiple apps. We were able to open apps within 1-2 seconds of clicking. So as far as performance is concerned, we did not have any lag when using the smartphone, and it was capable of delivering a good experience.

Lighter games like Subway Surfers and Candy Crush ran smoothly on the Infinix S4 but it is not meant to tackle high-end games. So if you are a heavy game user, we would not advise you to go with this smartphone. Keeping in mind that it is a budget-centric smartphone, the performance is good.

For unlocking the phone, the company has provided a fingerprint scanner and face unlocking feature apart from regular pin pattern. We found the fingerprint sensor and face unlock feature quite fast and accurate for unlocking the device with no noticeable lags. Both the features unlock the phone in seconds. The fingerprint scanner also allows you to take photos, accept calls, browse through pictures, and dismiss alarms using gestures.

Infinix S4 Review

On the software side, the Infinix S4 runs on Android 9.0 Pie, which is based on the company’s custom UI XOS 5.0 on top of it. The user interface comes loaded with some good features. It features an app drawer where all the apps are sorted in alphanumeric order.

In terms of bloatware, the device comes with apps like XTheme, XClub, Phone Master, PHX Browser, Face Unlock, Flipkart, WhatsApp, Facebook, Instagram, Messenger, Weather, Opera News and more. Out of them, one can delete just a few pre-loaded apps like Flipkart, Facebook, Opera News, and Whatsapp while company-owned apps like XTheme, XClub, Phone Master cannot be deleted.

The XTheme helps you with different themes, the XClub is a customer forum and the XHide is to hide pictures, videos. The Phone Master app lets you free up RAM to boost performance. The phone has different gestures such as a three-finger swipe to capture screenshots, flip the phone to mute incoming calls and a double-tap to wake the screen. There is also smart panel available on the device’s home screen side which gives you easier access to some functions. It can be used to store your most favourite apps or games as it can be customized according to your choice.


Now coming to the device’s other USP, the camera. The Infinix S4 is equipped with a triple rear camera setup with a combination of a primary 13-megapixel snapper with f/1.8 aperture, an 8-megapixel 120 degrees ultra-wide camera with f/2.2 aperture, and a 2-megapixel camera as well. The rear setup is accompanied by a Quad-LED flash. Up front, the Infinix S4 has a 32-megapixel selfie camera with f/2.0 aperture and screen flash. Both the front and rear camera support video up to 1080p.

Infinix S4 Review

The camera UI in the phone is pretty simple and you get different options like video, AI cam, beauty, bokeh, and AR shot where users can click fun images with some masks that are preloaded in the smartphone. The AI cam allows the camera to automatically adjust the settings for a perfect shot in different lighting conditions and subject movement. In the settings, you can also do various tasks like tagging your location to an image, delaying the capture, among others. For the selfie camera, it has multiple features like video, HDR, Flash, Portrait mode, beauty, and AR shot.

Infinix S4 Camera Samples

Infinix S4 in Pictures

The rear camera does a decent enough job for this price, and capture objects clearly enough. Daylight shots were above average with good clarity and overall colour reproduction. The phone does an excellent job of capturing macro shots as well as the detailing. Even the autofocus is fast. The wide-angle lens will also not disappoint you. The low-light camera performance of the Infinix S4 was average. When pictures were taken in low-light, they appear to be grainy with some noise. Objects at a distance weren’t very recognisable, but this is acceptable at this price. The bokeh mode lets you take photos by blurring out the background and highlighting the subject in the image. However, you may notice that the edge-detection isn’t that great in this mode. You can also control the background blur for a perfect bokeh shot.

Infinix S4 Review

The front camera with a 32MP AI does a fine job by taking clear and crisp selfies. Selfies taken with the 32-megapixel front camera had good detail. During daytime and under indoor lighting, the pictures turned out to be bright and well defined. Like the rear camera, the front camera also has a ‘Bokeh’ mode, which uses software to blur the background. In our review, we found out that output is sharp enough, and the colour reproduction is appreciable for a phone that is priced at Rs 8,999.

Battery and Connectivity

The Infinix S4 has a 4000mAh battery which will easily last for a full day even through heavy usage. Our usage included some calls, checking e-mails, frequently checking social media accounts of Facebook and Instagram, watching movies and checking websites. In our reviewing period, we did not notice any excessive drainage of battery even while playing games. The battery will easily last a day and a half with light usage. There is no fast charging support in the device, so the phone takes its own time to charge. It takes around than 3 hours to fully charge the phone from zero to 100 percent.

Infinix S4 Review

On the connectivity front, the smartphone supports dual 4G VoLTE, WiFi, GPS/AGPS, Bluetooth 5.0, 3.5 mm audio jack, FM radio, and micro USB port. The phone measures 156 x 75 x 7.9 mm.


Infinix S4 has face unlock, fingerprint scanner, a triple camera module, 32MP selfie camera, long-lasting battery and a vibrant display at just Rs 8,999. Despite a mid-range processor, the phone is one of the better contenders in the entry-level budget segment. It is a suitable device for your daily tasks and can be the right pick for you if you are a moderate smartphone user. As far as the competition is concerned, the device will face a tough competition from Xiaomi Redmi Y3 which also comes with a 32MP selfie camera but is priced Rs 1,000 more.

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