Well, where do we start? Ever since the Xiaomi Mi3 released last year, we have not seen a similar smartphone (rich is features, super reliable backed by lightning fast and brilliant user interface) that is loaded with features and priced under 15,000/- rupees. Today, we have a worthy successor to the super popular Mi3 and it is the Mi4i. Announced today at a grand event in New Delhi, Xiaomi won the hearts of everyone when they said that this phone will be available in the market for 12,999/- only! After a couple of so-so launched in last few months, we thought that Xiaomi had lost the touch and today, we are proved wrong. Xiaomi Mi4i will be sold via flash sale on Flipkart. The first flash sale will happen on 30th of this month and registrations start from 8pm on 23rd of April. Mi4i will be sold via Mi.com and other e-tailers at a later point of time. The bad thing is that only the white variant will be available as of now.

Xiaomi Mi 4i

Brand: Xiaomi
Category: Mobiles
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It takes 1080p to achieve flagship status, but a great display is more than a resolution race. Mi 4i uses a premium 12.6cm (5″) Full HD 1080p display from Sharp and JDI, with NTSC 95% color gamut (compared to NTSC 72% on iPhone 6). Gorgeous colors are enhanced with full lamination technology for better contrast. Mi 4i includes Sunlight Display, which uses hardware-level algorithms to adjust contrast for each pixel in real time, dramatically improving readability in sunlight. All these come protected by Corning^® Concore^™ glass.

Push boundaries with 64-bit performance, which processes twice more data than 32-bit at any one time. The 2nd generation Snapdragon 615 is faster than previous models and has 4 performance cores clocking 1.7GHz and 4 power-saving cores running on a lower 1.1GHz. It is perfect for multitasking and running demanding applications of any kind. Paired with an Adreno 405 GPU and support for OpenGL ES 3.0, the latest standard in 3D gaming, Mi 4i is adept at handling both everyday apps and intense 3D games.

Let Mi 4i inspire with the professional sharpness of its 13MP Sony/Samsung camera, artistic f/2.0 background blurring, and innovative technologies that adapt to a range of situations. So that even in low-lighting, the two-tone flash can intelligently assess room color temperature to emulate natural lighting. Selfies look amazing with a 5MP front camera and Beautify, a gorgeous built-in tool that applies one of 36 smart profiles for an all-natural glow.

With 2G/3G/4G support on both dual SIM slots and support for up to 16 bands, there’s no stopping when you’re with Mi. Manage personal and work calls with ease, with intelligent dual SIM features and detailed preferred network settings for each card.

Stream and download on the latest 802.11ac Wi-Fi wave 2 MU-MIMO that’s three times faster than previous Wi-Fi speeds. Dual band 2.4GHz and 5GHz Wi-Fi provides for faster, more stable connections – perfect for watching HD videos or downloading large files! Faster transfer rates and lower power consumption than Bluetooth 4.0.

We’ve put considerable effort into fitting the highest battery capacity possible to power Mi 4i’s stunning 12.6cm (5″) display while maintaining a slim profile. This meant using the highest energy density battery technology – 4.4V 700Wh/L lithium-ion polymer cell. To save every inch of space, we then redesigned Mi 4i to include a double-sided circuit board and custom ultra-thin display. The result is an incredibly thin frame that’s just 7.8mm, but with an all-day 3120mAh battery with Quick Charge that charges up to 40% in an hour.

Finely textured and matte-sprayed for resistance to fingerprints and grease, the unibody design and matte back cover is smooth to the touch and feels great against skin. The back cover fits just right and bends seamlessly across the sides to meet the front display. Available in white, with colorful versions coming soon.

Great performance isn’t the only reason why people prefer Mi phones. Well-loved by over 100 million users, we’ve got an incredible MIUI operating system that’s deeply customizable, beautiful and great for productivity and play. It’s so easy to use and now supports Android L, so you can take full advantage of Mi 4i’s 64-bit processor. Give Mi 4i a try, we believe you’ll fall deeply in love with the all-new MIUI.

Specs

General

Announced	01 April, 2015
Released	01 April, 2015
Status	Available

Display

Display Type <strong>Display Technology => </strong> A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor)	IPS LCD
Size	5.0
Resolution	1080 x 1920
Pixel Density <strong>Pixel Density (PPI)</strong> is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.	441 ppi
Display Protection <strong>Display Protection => </strong> Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind.	Corning® Concore™ glass
Features	95% NTSC color gamut All-new Sunlight display with hardware-level pixel contrast adjustments

Hardware

Chipset <strong>Chipset</strong> is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming.	Qualcomm 2nd gen Snapdragon™ 615
CPU <strong>CPU</strong> (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.	1.7GHz Octa Core CPU
GPU <strong>GPU</strong> (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.	Adreno 405
RAM (Memory) <strong>RAM</strong> (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.	2GB
Internal Storage <strong>Internal Storage</strong> is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.	16/32GB
Card Slot <strong>Memory Card Slot</strong> is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.	No
Sensors <strong>Sensors</strong> are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.	Compass, battery sensor, light sensor, gyroscope, hall sensor, proximity

Battery

Battery Type <strong>Battery Type => </strong> Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium.	Li-Ion (Lithium Ion)
Capacity <strong>Battery Capacity</strong> is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions.	3120mAh

Camera

Primary <strong>Camera</strong> is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality.	13mp
Camera Features	5-element lens, f/2.0 aperture Supports manual mode, real-time HDR, Torch Rear: 5-element lens f/1.8 aperture 36 smart beauty profiles
Secondary	5mp
Video	Up to 1080p
Flash <strong>Flash Light => </strong> There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration)	Dual LED

Design

Type <strong>Design Type</strong> called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.	Bar
Dimensions	138.1 x 69.6 x 7.8 mm
Weight	130 grams
Protection	Corning® Concore™ glass
Colors	Grey, White, Pink, Blue, Yellow

Network

SIM <strong>SIM</strong> (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages.	Micro SIM
Dual SIM	Yes
2G Network	850 / 900 / 1800 / 1900MHz
3G Network	TD-SCDMA : 1900 / 2000MHz WCDMA : 850 / 900 / 1900 / 2100MHz
4G Network	FDD-LTE : B3 / B7 TD-LTE : B38 / B39 / B40 / B41

Software

Operating System <strong>OS => </strong> Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.	Android 5.1 Lollipop
User Interface <strong>UI</strong> or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface.	MIUI 7

Connectivity

Bluetooth <strong>Bluetooth</strong> is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices.	v4.1, HID
Infrared <strong>Infrared</strong> connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range.
Wi-fi <strong>Wi-Fi</strong> is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world.	802.11 b/g/n/ac
USB	2.0
GPS <strong>GPS</strong> The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.	Yes
NFC <strong>NFC</strong> (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.

Benchmarks

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Design

Mi4i comes in a compact polycarbonate uni-body design. Phone will be available in black, white, yellow, blue, pink color options and Yellow is definitely the best color followed by Black. The buttons are stainless steel and should feel solid. The back panel is smudge resistant and even something written using permanent marker cleared using a normal eraser. Take a look at the video below.

There is a magnesium alloy frame that protects the components from drops and accidents. The device is just 7.8mm thin and weighs 130 grams. the speaker grill is moved to the back (bottom of the rear panel), rear camera is at top left corner with the two tone LED flash. All in all, the device looks absolute gorgeous and we are sure that it feels great.

Display

Xiaomi worked with Sharp and JDI to create new type of display called “Sunlight Display”. The FullHD 1080p display’s main feature is minimal loss of quality when in sunlight. With 95% NTSC Color gamut, 441 pixels per inch, 178 degree viewing angle, this is definitely one of the best FullHD display panels available in the market now. The display has a hardware level optimization that adjusts the contrast of each pixel in real time so that glare does not effect the images ont he phone and improves content clarity. Here is a video that shows how this tech is. The display is also super thin as Xiaomi used advanced OGS full lamination and integrated layers of protective glass and touchsensors into a single film and this not only makes the text/images/vidoes floating on the glass, it eliminates light refactions caused by air gap. The contrast is better, the brightness is better and colors pop out.

To be clear on color gamut, a 100% color gamut means that full range of colors will be displayed and 95% means that nearly entire range of colors will be accurately displayed by the phone making this a must have for those who love color accuracy.

Camera

If you have noticed the images taken using rear camera of Xiaomi Mi Note, you will be stunned. The Mi4i comes with the same high quality rear camera. Rear camera is a 13mp camera with f/2.0 aperture with two tone LED flash and the lens is made of 5 elements. We all know that Xiaomi has one of the best algorithms for HDR photography and with Mi4i, they took it a big further. HDR takes two shots in quick succession, each with an accurate exposure for the foreground and background, and merges them together. Now, the new HDR algorithm applies automatic gamma and contrast tuning, color correction and low-light de-noising enhancements and the photos looks incredibly rich.

The front facing camera is a 5mp shooter and should make all those selfie addict super happy. The aperture size is f/1.8  and this lets more light into the sensor there by giving better looking photos in low light conditions. When we talk about a camera on Xiaomi phone, it is a must to talk about the beautify feature that enhances skin tone to make the subject look younger and more beautiful/pretty. The tool has 36 beauty profiles using which it will guess the age and smoothens skin, brightens eyes and adds few more enhancements.

The bummer here though is that the video recording maxes out at 1080p (FullHD). Would’ve been better if the camera supported 2K resolution video recording.

Under the Hood

Mi4i is powered by second generation Snapdragon 615 which is an eight core processor where cores are arranged in big.LITTLE format. 4 performance cores are clocked at 1.7GHz and 4 power-saving cores run at 1.1GHz. Adreno 405 GPU handles the graphics part and supports OpenGL 3.0. The CPU is 64-bit and is built on 28nm fabrication. In short, The Snapdragon 615 is powerful and easy on battery. This phone scored 40253 on Antutu, 25686 on Quadrant, 5606 on 3D mark ice storm experience and 57216 on CFBench.

There is 2GB of RAM and 16GB onboard storage for users (similar to Mi3). The 802.11ac Wi-Fi is three times faster than 802.11n, Mi4i has 4.1 version of Bluetooth that consumes less power and has wider range. There is a 3120mAh battery which cannot be replaced by the user. The battery can be charged using 5V 2amp charger and will charge to 40% in under an hour (which is fairly standard though and is not exactly a fast charge).

The Mi4i has proper support for 4G LTE networks (support for up to 16 LTE bands) and has two SIM card slots and both support 4G LTE (unlike many phones where only one slot is 4G or 3G capable).

Software

When it comes to features and optimization, there is not other overlay UI (in Android devices) that can match the brilliance of MIUI6. The MIUI 6 on Mi4i is built on Android Lollipop. The best new features though is the addition of Visual IVR. This is what Xiaomi says about V-IVR. As you can see in the image below, you can do train/ticket enquiry without using IVR while in a call to IRCTC. select the options from Visual IVR menu, provide necessary input and the phone will do the rest for you and fetch the detail. MIUI 6 now supports 6 Indian languages Hindi, Telugu, Tamil, Kannada, Malayalam and Bengali.

Your one-click access to customer service. Making voice service calls has never been more convenient. It’s often troublesome to check service hotlines for credit card bills, or other functions. It takes at least a couple of minutes of lengthy voice prompts to get to where you want to go. With MIUI IVR system, this can be replaced with a visual menu. This feature now supports services by China Mobile, China Unicom, Alipay, SF Express, and nearly 50% of other commonly used service numbers.

To learn more about MIUI v6, head to this page.

Full Specification

• Handset Color : White
• SIM : Dual micro SIM card slotsLTE + LTE, (Dual Standby)
• In the Box : Handset, Charger, USB Cable, User Guide
• FM Radio : Yes
• CAMERA
  • Rear : 13mp, 1980×1080 video recording, Integrated Flash Support, Supports Beautify, Refocus, f/2.0, Sony/Samsung IMX214 Camera, 5-element Lens, Stacked CMOS Sensor, Full HD (Rear Camera)
  • Front : 5mp
• 3.5mm audio jack, Bluetooth v4.1, A-GPS, GLONASS, Wi-Fi 802.11 a/b/g/n/ac, USB OTG
• Sensors : Gyroscope, Light Sensor, Accelerometer, eCompass, Proximity Sensor
• SAR : 1.290 W/Kg
• Weight : 130 g
• Size : 69.6×138.1×7.8 mm
• DISPLAY : 5” Full HD, 1920 x 1080 Pixels, JDI Display, All New Sunlight Display, 441 PPISize
• 1 year manufacturer warranty for Phone and 6 months warranty for in the box accessories
• 3120mAh battery
• Memory : 2 GB RAM, 16 GB ROM (12.77 GB for user)
• Operating Freq
  • GSM – 850, 900, 1800, 1900;
  • WCDMA – 2100; 4G:
  • LTE (FDD) – Band 3 (1800), LTE (TD) – Band 40 (2300)
• Snapdragon 615 2nd generation
  • Gaphics : Adreno 405
  • CPU : ARM Cortex 64-bit octa core (4x 1.7GHz + 4x 1.1GHz)
• OS : Android v5.0.2 (Lollipop)

Conclusion

Powerful hardware, stunning display, superb camera, beautiful and optimized software, unmatched Cloud sync features make this one of the best phones in the market and the best phone under 16,000 indian rupees. If you are looking for a new phone and dont mind using the white version, go ahead and buy one in first flash sale. The king of the masses is back with a bang.