Manufacturer and Model

Manufacturer
Explay
Xiaomi
Phone model
Indigo
Mi 4
Year of release
2014
2014

Appearance

Case type
Monoblock
Monoblock
Body length
139 mm
139 mm
Body width
69 mm
69 mm
Body thickness
8 mm
8.9 mm
Weight
129 g
149 g
Volume
76.73 cm³
84.86 cm³
Body materials and finishes
  • Plastic
  • Stainless steel
  • Metal
  • Plastic
Replaceable panels
Colors

Processor (CPU)

Processor model
  • MediaTek MT6592M
  • Qualcomm MSM8974AC Snapdragon 801
CPU clock speed
1400 MHz
2500 MHz
Number of processor cores
8
4
Level 1 cache (L1)
32 + 32 kB
16 + 16 kB
Level 2 cache (L2)
1024 kB
2 MB
Processor size
32 bits
32 bits
Instruction set architecture
ARMv7
ARMv7
Manufacturing process
28 nm
28 nm

Graphics Processor (GPU)

GPU
GPU model
  • Mali-450
  • Adreno 330
GPU clock speed
600 MHz
578 MHz
Number of GPU cores
4
4

Primary storage (RAM)

The amount of RAM
1 GB
3 GB
RAM type
LPDDR3
RAM frequency
933 MHz
Number of RAM channels
2

Internal storage

Built-in memory
  • 8 GB
  • 64 GB

SD card

Types of Supported Memory Cards
  • microSDHC
  • microSD
Maximum expandable memory
32 GB
Hot swappable memory card

Mainboard

Chipset
  • MediaTek MT6592M
  • Qualcomm Snapdragon 801 MSM8974AC

Operating system

Operating system
Android 4.4
Android 4.4

Battery

Battery capacity
2500
3080
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Fast battery charging
Fast charging technology
Qualcomm Quick Charge 2.0
Standby time in GSM networks
280 h
Standby time on UMTS (WCDMA) networks
280 h

Screen

Screen diagonal
4.7 in
5 in
Screen resolution
1280 x 720 pixels
1920 x 1080 pixels
Resolution formats
  • HD
  • Full HD
  • HD
Pixel density
312 ppi
441 ppi
Screen technology
IPS
IPS
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Anti-scratch screen
Glass screen
Aspect ratio
1.778
1.778
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
8 Mp
13 Mp
Maximum photo resolution
3264 x 2448 pixels
4128 x 3096 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
The presence of a flash
Flash type
LED
Dual LED
Photomatrix model
Sony IMX214 Exmor RS
Photomatrix type
CMOS
Photomatrix size
4.69 x 3.52 mm
Photomatrix pixel size
1.115 μm
Crop factor
7.38
Aperture
f/1.8
Number of lens elements
6
Shooting settings
Autofocus
Face detector
Smile detector
Panoramic photography
HDR photography
Continuous photography
Touch focus
Exposure compensation
Digital image stabilization
White balance
ISO setting
Scene selection
Video capability
Maximum video resolution
3128 x 2160 pixels
Movie speed
30 fps
Movie settings

Front photo/video camera

Front camera megapixels
5 Mp
8 Mp
Maximum photo resolution
2981 x 1677 pixels
3771 x 2121 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Photomatrix model
Sony IMX219PQ Exmor R
Photomatrix type
CMOS BSI
Photomatrix size
3.6 x 2.7 mm
Photomatrix pixel size
1.103 μm
Crop factor
9.61
Aperture
f/1.8
Front camera video
Maximum video resolution
1920 x 1080 pixels

SIM card and calls

Number of SIM-cards
2
1
Mode of operation of multiple SIM-cards
Alternating
SIM card type
Micro-SIM
Micro-SIM
MP3 ringtones
Polyphonic ringtones
Vibration mode
Speakerphone
Conference call
Speed dial
Video calls
Second microphone
Noise reduction during a call
Ability to mute the microphone during a call
Extended phone book
Contacts in the phone book
Unlimited
Unlimited
Data exchange between SIM card and internal memory

Mobile communications

Cellular generation
3.5G
4G
GSM support
GSM frequencies
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
CDMA support
CDMA frequencies
  • CDMA 800 MHz
  • CDMA 1900 MHz
CDMA2000 support
UMTS support
UMTS frequencies
  • UMTS 900 MHz
  • UMTS 2100 MHz
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
TD-SCDMA support
TD-SCDMA frequencies
  • TD-SCDMA MHz
  • TD-SCDMA MHz
  • TD-SCDMA MHz
  • TD-SCDMA MHz
LTE support

Internet data transmission standards

CDMA2000 standards
  • 1xEV-DO Rev. A
Data transmission standards
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS

Wi-Fi

Built-in Wi-Fi
Wi-Fi standards
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Wi-Fi Direct support
Wi-Fi hotspot mode
Dual band Wi-Fi

USB

USB connector
USB connector type
Micro USB
Micro USB
USB standard
2.0
2.0
USB OTG support
USB host support
USB Mass Storage support
MHL interface

Bluetooth

Built-in Bluetooth
Bluetooth standard
4.0
4.0
A2DP support
AVRCP support

Navigation and positioning

Built-in GPS
A-GPS support
Installed GLONASS
Built-in digital compass

Radio

Built-in radio receiver
Radio range
87.5 - 108
87.5 - 108
RDS support
Radio recording

Sensors and gauges

Ambient light sensor
Proximity sensor
Accelerometer
Orientation and rotation sensor
Gyroscope
Magnetometer
Barometer
Hall sensor

Connectors and interfaces

USB connector
Micro USB
Micro USB
TRS jack (mini/micro jack)
3.5 mm
3.5 mm
Wireless NFC

Images

Installed image editor
Geo tags
DLNA support

Video

Installed video player
Supported video formats
  • MP4
  • MPEG-4
  • AVI
  • 3GPP
  • 3GPP
  • WMV
  • MP4
  • MPEG-4
  • MKV
  • AVI
  • Xvid
  • H.263
  • H.264
  • WMV
  • WMV9
Video resolution formats
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC
  • eAAC+
  • AMR
  • AMR-NB
  • MIDI
  • MP3
  • WMA
  • WAV
  • AAC
  • AAC+
  • eAAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • FLAC
  • MP3
  • WMA
  • WAV
MP3 support
Built-in stereo speakers
Streaming audio
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm
3.5 mm

Control elements

Touch input
Multitouch
Pinch zoom
Russified input

Documents and office

Installed Organizer (PIM)
Office document support
Supported document formats
  • PDF
  • PDF
Email
Convert text to speech
Convert speech to text

Connectivity and synchronization

PC connection
Tethering support
Synchronization over the mobile network
OTA sync
Synchronization with services
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google Search
  • Google Maps
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google Search
  • Google Maps

Software features

Installed browser
  • HTML
  • HTML5
  • CSS3
  • WAP
  • HTML
  • HTML5
  • CSS3
  • WAP

Receiving and sending SMS

SMS messages
SMS T9 support
SMS output in the form of a chat
MMS support
VMS support

Security

Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level
1.03 W/kg