A successor to the old Infinix Smart 3 and 3 plus has been released (Infinix Smart 4) the new smartphone features a big 6.6″HD+ waterdrop display, 2GB RAM + 32GB ROM and 4000 mAh battery. The phone is powered with Android 9 pie OS and also supports 4G LTE network.

Looking at the specifications, I don’t see much difference between Infinix Hot 8 and the new Infnix Smart 4 except the bigger battery and superior triple real cameras seen on Hot 8. Well, let not conclude yet until we check out the key features.

Infinix Smart 4 specs and price

Model NameInfinix Spark 4
Screen Size6.6″HD+ waterdrop display
ProcessorOcta-core 2.0GHz
OSAndroid 9 Pie
ROM32GB (Expandable up to 256GB)
Camera8MP + QVGA Dual Rear Camera with Dual Flash + 5MP Front Camera
Battery4000 mAh Non-removable
Sim, Card SlotDual Nano sim + SD Card

Infinix Smart 4 Price

The new Smart 4 has just been released and very soon it will pop up on all the major online and offline shopping malls. However, the price will surely not be as high as the price of Infinix Hot 8 but be ready to pay between 30,500 – ₦35,500.

In addition, be ready to welcome Infinix Smart 4 Plus soon with big memory and the more advanced camera just like the Infinix Smart 3 that was later upgraded to Smart 3 Plus.

You can find out the current price and available offers on Jumia Nigeria

rear camera

Infinix Smart 4 Review

If you care more about Infinix Smart 4 then stick with me and learn more about the features and functionalities before the full specifications.

Display and Design

Infinix SMART 4 looks great and fits perfectly in your palm while revealing a design inspired by nature in a big 6.6″ Waterdrop display. The beautiful, vibrant screen, delivers outstanding viewing experience. The waterdrop design in the front gives room for the 5MP front selfie camera. The dimensions as stated is 167 x 76 x 8.3 mm and HD+ 1600*720 resolution.

Looking at the back we have a dual camera with a flash aligning vertically at the top left-hand side while the fingerprint is positioned at the usual position before the infinix trademark.

Software and Hardware

Infinix Smart 4 comes with the latest Android 9 Pie operating system clocked with Octa-core 2.0GHz processor designed for best speed and stability. To enjoy the best of Android OS here comes the new XOS 5.5 that gives optimized operations that are convenient and efficient, making the most of every inch of the apps within the smartphone. An updated XOS 5.5 is the latest in the XOS family, with optimized apps functionalities.

Unfortunately, there is no big deal when it comes to memory but as a mid-range phone, it’s important to keep the price low which can only be done by compromising certain features. However, Infinix Smart 4 is still perfect with 2GB RAM and 32GB built-in storage memory that can be expanded up to 256GB with a TFT card.


The Obvious truth is that you can’t compare the camera of Smart 4 with the like of Tecno Spark 4 or Infinix Hot 8 but it still offers a good 8MP+ QVGA rear camera and 5MP front camera good enough to take great photos, effortlessly. Your photography will light up with AI-powered dual camera lenses. Capture better moments with more clarity and see sharper details in all your photos.

Battery Capacity

Smart 4 battery capacity

Infinix hardly goes below 4000 mAh battery which makes them stand out and at least you should not expect less but a big 4000 mAh battery. Smart 4 is backed with 4000mAh big battery and intelligent power management. You can enjoy your entertainment all day long without power worries.

Interestingly, Smart 4 gives you a dual unlocking option, you can conveniently use your fingerprint sensor or face ID to unlock your smartphone. The phone also supports 4G LTE networks with a strong signal reception that supports both voice over internet calls as well as direct line calls in 4G network areas.

Spark 4 Specifications

Dimension167 * 76* 8.3 mm
SIM2 nano Sims + SD Card
SensorG-sensor, Light Sensor, eCompass, Proximity Sensor, Gyroscope Fingerprint
TypeIPS Capacitive touchscreen
Size6.6 Inch
Screen ResolutionHD+ 1600*720
OSAndroid 9 Pie
ChipsetMediaTek Helio A22
FrequencyOcta-core 2.0 GHz
Internal Storage32GB
Card SlotYes Up to 256GB
Back8MP + QVGA with LCD flash
Capacity4000 mAh
OTG SupportNo
Network4G/3G/2G GSM: B3/B8               GSM: B2/B3/B5/B8
WCDMA: B1/B8        WCDMA: B1/B5/B8
FDD: B3/B7/B20         FDD: B1/B3/B5/B8
WLANIEEE 802.11 a/b/g/n
Audio Jack3.5mm
MessagingSMS, MMS, Email, Push Mail, IM
ColorsGradient Blue, Black, and Purple