Xiaomi Mi 4
Network
Technology
GSM / CDMA / HSPA / EVDO / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 – all versions
CDMA 800 / 1900 – Telecom 3G model
3G bands
TD-SCDMA – 4G model
HSDPA 850 / 900 / 1900 / 2100 – Unicom 3G model, Telecom 3G model
CDMA2000 1xEV-DO – Telecom 3G model
4G bands
38, 39, 40 – 4G model
Speed
HSPA, LTE, EV-DO Rev.A 3.1 Mbps
GPRS
Yes
EDGE
Yes
Launch
Announced
2014, July. Released 2014, August
Status
Discontinued
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)
Build
Glass front, plastic back, aluminum frame
SIM
Micro-SIM
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
Main Camera
Single
13 MP, f/1.8, 1/3.1″, 1.12µm, AF
Features
LED flash, panorama, HDR
Video
4K@30fps, 1080p@30fps, 720p@120fps, HDR
Selfie camera
Single
8 MP, f/1.8
Video
1080p@30fps
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
Positioning
GPS, GLONASS, BDS
NFC
No
Infrared port
Yes
Radio
FM radio
USB
microUSB 2.0, OTG
Features
Sensors
Accelerometer, gyro, proximity, compass, barometer
Battery
Type
Li-Ion 3080 mAh, non-removable
Charging
18W wired, QC2
Stand-by
Up to 280 h (3G)
Misc
Colors
Black, White
Models
2014215
SAR
0.71 W/kg (head) 0.85 W/kg (body)
Price
About 230 EUR
Tests
Display
Contrast ratio: 929 (nominal), 2.424 (sunlight)
Camera
Photo / Video
Loudspeaker
Voice 62dB / Noise 62dB / Ring 66dB
Audio quality
Noise -91.6dB / Crosstalk -49.7dB
Battery (old)
Endurance rating 68h