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Xiaomi Mi 4

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  Xiaomi Mi 4

Launch

Announced 2014, July. Released 2014, August
Status Discontinued

Network

Technology GSM / CDMA / HSPA / EVDO / LTE
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps
GPRS Yes
Edge Yes
2G bands GSM 850 / 900 / 1800 / 1900 - all versions
CDMA 800 / 1900 - Telecom 3G model
3G bands TD-SCDMA - 4G model
4G bands 38, 39, 40 - 4G model

Body

Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in)
Weight 149 g (5.26 oz)
SIM Micro-SIM
Build Glass front, plastic back, aluminum frame

Display

Type IPS LCD
Size 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)

Platform

OS Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU Quad-core 2.5 GHz Krait 400
GPU Adreno 330

Memory

Card Slot No
Internal 16GB 2GB RAM, 64GB 3GB RAM
eMMC 5.0

Sound

Loudspeaker Yes
3.5mm Jack Yes

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth 4.0, A2DP
NFC No
Radio FM radio
USB microUSB 2.0, OTG
Positioning GPS, GLONASS, BDS
Infrared port Yes

Features

Sensors Accelerometer, gyro, proximity, compass, barometer

Battery

Stand-by Up to 280 h (3G)
Type Li-Ion 3080 mAh, non-removable
Charging 18W wired, QC2

Misc

Colors Black, White
Models 2014215
SAR 0.71 W/kg (head) 0.85 W/kg (body)
Price About 230 EUR

Main Camera

Features LED flash, panorama, HDR
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR
Single 13 MP, f/1.8, 1/3.1", 1.12µm, AF

Selfie camera

Single 8 MP, f/1.8
Video 1080p@30fps

Tests

Display Contrast ratio: 929 (nominal), 2.424 (sunlight)
Camera Photo / Video
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB
Battery (old) Endurance rating 68h
Audio quality Noise -91.6dB / Crosstalk -49.7dB