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This is a metal era for Xiaomi’s handsets. The metal used for the body not only provides its endurance in terms of structure and color but also protects internal parts and disperses heat well.
r-2
Redmi 4  has an iconic metal capsule. It takes 30 steps to go from a solid aluminum ingot to the finished product, including CNC cutting, anodizing, sandblasting processes and polishing. Such an approach ensures a superior grip experience from the first moment you take it.
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Redmi 4 HE houses as large as a 4100 mAh battery. Combined with a low-power Snapdragon 625 processor, based on 14-nm technology, it translates into 9 days of performance with moderate usage. MIUI 8 helps to maximize charge efficiency, preventing background applications to start automatically. Sudden battery depletion is not to worry about so you can take a rest watching 10 episodes of your favorite TV show.
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Redmi 4 hosts a great performance processor in the same vein as a previous generation of Redmi phones. Application opening became a matter of milliseconds. Redmi 4 Prime sports a thunderous 8-core Snapdragon 625 chip with 64-bit architecture. Redmi 4 SE is packed with a lighter Snapdragon 430, which is still efficient to handle everyday applications. For those, who like to play HD games, watch videos, use the phone for continuous Internet connection, this one is a great solution.
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Studies estimate that we spend more than one hour a day looking into our smartphones. That is why screen size and its brilliance are very important to users when choosing a high-end smartphone. Xiaomi has poured much into its handset display technology to provide a comforting and protected experience.
Redmi 4  is equipped with a 5-inch HD screen with a 1280×720 resolution. Redmi 4 Prime has an upgraded 5-inch Full HD IPS screen with a 1920×1080 resolution. Both deliver a detailed, saturate and immersive picture, resulting in a strong sense of reality. 2.5D glass accentuates the display, giving the perfect contrast from every viewing angle.
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We all like going to bed with phones in our hands to read a book, watch a video, surf the net, which, unfortunately, makes our sleep troublesome. It happens because the blue light emitted by the screen signals our brain to produce less melatonin which disrupts our sleep cycle. Redmi 4 has a mode, which adapts the screen color, filtering out blue light and therefore stimulating a healthy sleep.
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The fingerprint scanner is one of the highlights Xiaomi smartphones have. It is located under the main camera at the back. It not just unlocks your phone fast but serves to block access to private and system files and keep it safe from a curious child.
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13 MP camera with fast autofocus to capture fleeting moments
Most beautiful moments of our lives are short-lived. To be able to grasp and re-experience them with joy an ultrasonic camera is required. Redmi 4 camera is equipped with a fast focusing technology that allows shooting photos within milliseconds. Capture fireworks show or a cute cat sticking out his tongue.
Both models bear 13 MP rear camera and a 5 MP selfie camera sharing an aperture f / 2.2, which ensures sufficient light to support phase-focus function. Front-facing camera allows to video chat in 720p HD quality.


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Xiaomi Redmi 4 Prime Specs
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Manufacturer

Xiaomi

Model

Redmi 4

Network

2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900
3G bands: HSDPA 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO & TD-SCDMA
4G bands: LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Speed: HSPA, LTE
GPRS: Yes
EDGE: Yes

Dimensions

141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in)

Weight

156 g (5.50 oz)

SIM

Dual SIM

Display type

IPS LCD capacitive touchscreen, 16M colors

Size

5.0 inches (~69.4% screen-to-body ratio)

Resolution

1080 x 1920 pixels (~443 ppi pixel density)

OS

MIUI 8.0 (based on Android 6.0.1 Marshmallow)

Chipset

Qualcomm MSM8953 Snapdragon 625

CPU

Octa-core 2.0 GHz Cortex-A53

GPU

Adreno 506

RAM

3 GB

Memory

32 GB

Card slot

microSD, up to 256 GB (uses SIM 2 slot)

Primary camera

13 MP, f/2.2, phase detection autofocus, dual-LED (dual tone) flash

Features

Geo-tagging, touch focus, face/smile detection, HDR, panorama

Video

1080p@30fps

Secondary camera

5 MP, f/2.2, 1080p

WLAN

Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot

Bluetooth

v4.2, A2DP, LE

GPS

Yes, with A-GPS, GLONASS, BDS

Infrared port

Yes

NFC

No

Radio

FM radio

USB

microUSB v2.0

Sensors

Fingerprint, accelerometer, gyro, proximity, compass

Battery

Non-removable Li-Ion 4100 mAh (typ) / 4000 mAh (min) battery

Color

Gray

Package

1 x Phone
1 x Power adapter
1 x USB cable
1 x SIM needle
1 x User manual

 

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Xiaomi Redmi 4  Specs
-----------------------------------

Manufacturer

Xiaomi

Model

Redmi 4

Network

2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900
3G bands: HSDPA 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO & TD-SCDMA
4G bands: LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Speed: HSPA, LTE
GPRS: Yes
EDGE: Yes

Dimensions

141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in)

Weight

156 g (5.50 oz)

SIM

Dual SIM

Display type

IPS LCD capacitive touchscreen, 16M colors

Size

5.0 inches (~69.1% screen-to-body ratio)

Resolution

720 x 1280 pixels (~296 ppi pixel density)

OS

MIUI 8.0 (based on Android 6.0.1 Marshmallow)

Chipset

Qualcomm MSM8937 Snapdragon 430

CPU

Octa-core 1.4 GHz Cortex-A53

GPU

Adreno 505

RAM

2 GB

Memory

16 GB

Card slot

microSD, up to 256 GB (uses SIM 2 slot)

Primary camera

13 MP, f/2.2, phase detection autofocus, LED flash

Features

Geo-tagging, touch focus, face/smile detection, HDR, panorama

Video

1080p@30fps

Secondary camera

5 MP, f/2.2, 1080p

WLAN

Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot

Bluetooth

v4.1, A2DP, LE

GPS

Yes, with A-GPS, GLONASS, BDS

Infrared port

Yes

NFC

No

Radio

FM radio

USB

microUSB v2.0

Sensors

Fingerprint, accelerometer, gyro, proximity, compass

Battery

Non-removable Li-Ion 4100 mAh (typ) / 4000 mAh (min) battery

Color

Gold

Package

1 x Phone
1 x Power adapter
1 x USB cable
1 x SIM needle
1 x User manual

 

LED Flash Position