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Xiaomi Mi 4s

The Xiaomi Mi4S rides on the ever popularity of the Xiaomi Mi4 smartphone. Even with the launch of the brand new Xiaomi Mi5 flagship smartphone, Xiaomi also releases the Xiaomi Mi4S as a mid-range smartphone of sorts, still offering excellent specifications and the like at a low price. Read more below to know more!

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Xiaomi Mi4S Hong Kong

An all-glass design

The Xiaomi Mi4S, like the original Mi4, utilizes glass on the front and back of the smartphone – a trend that has become during its year of release that other manufacturers have also followed with, such as Samsung and Sony.

The beautiful glass front and back of the smartphone sandwiches an elegant solid metal frame that has a very unique zirconia sand finish. The sand finish gives the smartphone the feeling of a soft leathery grip – it feels great when held in the hand. The rear glass panel is just a simple glossy rear surface however. It has diagonal brushed patterns that give it a little bit of a viewing texture, accompanied by metal accents on the ergonomically placed fingerprint sensor and camera lens.

But regardless of its beautiful metal frame and glass panels, the Xiaomi Mi4S is ultimately a very slim and lightweight phone that fits in every pocket and bag with ease.

Truly personal security

The Xiaomi Mi4S comes with a fingerprint scanner for an added layer of security in addition to the passwords, PIN codes, and pattern unlocks that are built-in the smartphone. The fingerprint s canner of the Xiaomi Mi4S is placed in an ergonomic position: right at the back of the smartphone where a finger would commonly rest on. This makes it natural and easy to unlock the smartphone, and you can have it ready by the time you lift it up to your eyes from your pocket.

Performanced-packed smartphone – Xiaomi Mi4S Hong Kong

The Xiaomi Mi4S may seem like a very slim smartphone, but it does not skimp out on packing in a massive 3260 mAh batter. The massive battery allows the Xiaomi Mi4S to have a full day’s worth of battery life, with up to 10 hours of video playback time. It’s a smartphone that stays powered all day long for you.

The long battery life can also be credited to the efficient Qualcomm Snapdragon 808 processor that powers the entire device, but without sacrificing any form of performance whatsoever.

Expert Reviews

Reviewed on 2016-04-26
The Mi 4s was a surprise inclusion during the Xiaomi Mi 5 launch event a few weeks back. Since Xiaomi planned to make the Mi 5 an international flagship all along, they perhaps wanted to have a China-only device so the home market still felt ‘looked after...
Read More >
Reviewed on 2016-04-23
With the addition of yet another revision of the Mi 4 , Xiaomi has expanded their Mi line to include what may seem to be a worthy alternative to the Mi 5 , at least at first glance. The Xiaomi Mi 4S boasts several premium aspects such as a Snapdragon 808...
Read More >
Reviewed on 2016-04-11
The Apple of the East pulled off an Apple by launching the 4s along with the 5.What I'm talking about is the company Xiaomi, and their new phones, the Mi 5 and the Mi 4s. This is the first time that Xiaomi launched an ‘S' version of an ex-flagship, and ha...
Read More >
Reviewed on 2016-03-28
The Xiaomi Mi 4s went official hours before the Mi 5, a teaser of sorts for the headliner. It even made the trip to Barcelona but enjoyed little of the spotlight for obvious reasons. This is the fourth installment in the Mi 4 lineup - hardly breaking news...
Read More >
Reviewed on 2016-03-20
high quality display; accurate colors and grayscale, fast storage performance, USB TypeC (2.0 speeds), thin profile; sleek design, high capacity battery, fingerprint reader, bright backlight, good camera, lightweight, IR remote, dual SIMMicroSD slot shared with secondary SIM slot, slight throttling under extreme stress, haptic feedback could be stronger, backlight could be more uniform, nonremovable battery, very warm under load, average battery life, no NFC or MHL, slippery grip
High-end phone for a mainstream price. The Mi 4s makes a strong case for spending $300 USD on a new smartphone instead of $600 or $700 for a top-of-the-line model. Find out how the Xiaomi compares to both mainstream and flagship competitors...
Read More >

User Comments


Processor frequency

1.82 GHz

Processor family

Qualcomm Snapdragon

Processor model


Processor cores


Coprocessor frequency

1.44 GHz

Coprocessor architecture

ARM Cortex-A53

Coprocessor cores



Display diagonal

12.7 cm (5")

Display resolution

1920 x 1080 pixels

Orientation sensor
Screen shape


Display type


Display number of colours

16.78 million colours

Aspect ratio


Touch technology


Touchscreen type


Pixel density

441 ppi

Ports & interfaces

USB port
USB connector type

USB Type-C

Headphone connectivity

3.5 mm

Weight & dimensions


133 g


7.08 cm


7.8 mm


13.9 cm


SIM card capability

Dual SIM

SIM card type

MicroSIM + NanoSIM

2G standards


3G standards


4G standards


Wi-Fi standards

IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g

Bluetooth version


Bluetooth profiles


2G bands (primary SIM)

850,900,1800,1900 MHz

2G bands (secondary SIM)

850,900,1800,1900 MHz

3G bands supported

850,1900,2100 MHz

4G bands supported

1800,1900,2100,2300,2500,2600 MHz

Tethering (modem-mode)
Wi-Fi Direct
Near Field Communication (NFC)


Internal storage capacity

64 GB

Internal RAM

3072 MB

Internal RAM type


Compatible memory cards

MicroSD (TransFlash)

Maximum memory card size

128 GB

USB mass storage


Assisted GPS (A-GPS)
GPS (satellite)
Electronic compass


Operating system installed


Operating system version



Rear camera resolution (numeric)

13 MP

Auto focus
Built-in flash
Front camera
Front camera resolution (numeric)

5 MP

Video recording
Video recording modes

720p, 1080p

Maximum frame rate

120 fps

Resolution at capture speed

1280x720@120fps, 1920x1080@30fps

Flash type


Smile detection


Battery capacity

3260 mAh


Form factor


Colour of product


Fingerprint reader


Video call
Personal info management (PIM)

Alarm clock, Calculator, Calendar, Notes

Flight mode

Icons, Menu, Shortcuts

Support for contact groups
Microphone mute



Subscription type

No subscription