Mi 4


Crafted to perfection
Discover the incredible craftsmanship behind Mi 4's stainless steel frame and 12.6cm (5") IPS HD display.
Rs. 14,999 (16GB)
Rs. 17,999 (64GB)
Only Mi 4 (white) available at the moment.
Crafted to perfection
Turning steel into art
40 steps and 193 processes
Turning steel into art

step01

Selecting high-quality stainless steel to press and cut
3 times stronger than aluminum alloy, the stainless steel we select for the frame is incredibly thin yet robust. Once pressed and cut, positioning holes are punched to hold the steel plate in place during the manufacturing process. Functional holes that appear in the finished design are also added.
Selecting high-quality stainless steel to press and cut

step02

Metal forging
After cutting, the steel plate goes through 100-tonne impulse drawing and oil hydraulic press forging to shape the frame of the phone. Remaining residues are scoured off and additional annealing and forging processes take place lasting over 10 hours, to further harden the steel.
Metal forging

step03

CNC milling
The 8-step CNC milling process involves 58 separate operations to shape the frame as well as create the chamfer and 45 speaker holes, each measuring 0.6mm across. It's extremely precise, with a maximum permitted margin of error at 0.03mm.
CNC milling

step04

Sand blasting
The chamfer edges are masked before the sides and back of the frame are sandblasted with zirconium microspheres till their surfaces are as smooth as silk.
Sand blasting

step05

PVD and AF coating
Sputtering takes place in a vacuum chamber, bonding the atoms of another metal to the steel frame, strengthening it and producing a finish that's highly resistant to fading and scratches. Nano-grade anti-fingerprint (AF) coating makes the frame extremely water repellent.
PVD and AF coating

step06

Laser cutting to complete the frame
A highly focused laser beam vaporizes stainless steel in seconds, separating the frame cleanly from the unneeded metal. 2 skilled technicians polish the frame, and remove all burrs and residue in the cut-off areas. The frame undergoes no fewer than 3 quality assurance inspections to ensure it meets rigorous Mi quality standards.
Laser cutting to complete the frame
High color saturation
Sharp/JDI display
17% brighter
12.6cm (5") high color saturation Sharp/ JDI display, with 1920 x 1080 resolution.NTSC color gamut of up to 95%, and a bezel width of just 2.63mm.
High color saturation
Focuses in just 0.3 seconds
13MP Sony high-speed camera
Take amazing pictures and 4K video on Sony IMX 214 stacked sensor with 6-element lens and large f/1.8 aperture, which focuses in just 0.3 seconds. Picture quality is dramatically improved with real time HDR and intelligent high dynamic flash. Also supports tracking autofocus and new Magic Focus mode.
Focuses in just 0.3 seconds
Qualcomm Snapdragon
801 2.5GHz processor
Ultimate gaming with Adreno 330
GPU and 3GB RAM
Qualcomm Snapdragon 8X74 AC 801 quad-core 2.5GHz processor and Adreno 330 GPU deliver faster performance and lower power consumption. Its LPDDR3 3GB super high-speed RAM can load large games and apps faster, and play HD video more smoothly.
Qualcomm Snapdragon 801 2.5GHz processor
Back cover with grating pattern design
Intricate lines that are just 0.06mm thin
The all-new In Mold Transfer (IMT) technology involves fusing 9 layers of membranes to form a back cover with a thickness of just 0.8mm – that's just 66% as much as most other phones.
Back cover with grating pattern design
Even better inside - MIUI 6
24 languages. 85 million users.
Discover new functions, shortcuts, customizations and animations embedded within MIUI 6. Each swipe, pinch and flick is co-developed and upgraded regularly, based on improvement suggestions from some 85 million active MIUI users worldwide.
Even better inside - MIUI 6

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