Manufacturer and Model

Manufacturer
Acer
Alcatel
Phone model
Liquid E3 Duo Plus
One Touch Pop S7
Year of release
2014
2014

Appearance

Case type
Monoblock
Monoblock
Body length
138 mm
141 mm
Body width
69 mm
72 mm
Body thickness
8.9 mm
9.4 mm
Weight
134 g
162 g
Volume
84.75 cm³
95.43 cm³
Body materials and finishes
  • Plastic
  • Plastic
Replaceable panels
Colors

Processor (CPU)

Processor model
  • Mediatek MT6589
  • Qualcomm Snapdragon 400 8926
CPU clock speed
1200 MHz
1300 MHz
Number of processor cores
4
4
Level 1 cache (L1)
32 + 32 kB
32 + 32 kB
Level 2 cache (L2)
1024 kB
512 kB
Processor size
32 bits
32 bits
Instruction set architecture
ARMv7
ARMv7
Manufacturing process
28 nm
28 nm

Graphics Processor (GPU)

GPU
GPU model
  • PowerVR SGX544
  • Adreno 305
GPU clock speed
286 MHz
500 MHz
Number of GPU cores
1
2

Primary storage (RAM)

The amount of RAM
2 GB
1 GB
RAM type
LPDDR2
RAM frequency
533 MHz
533 MHz
Number of RAM channels
1
1

Internal storage

Built-in memory
  • 16 GB
  • 4 GB

SD card

Types of Supported Memory Cards
  • microSDHC
  • microSD
  • microSDXC
  • microSDHC
  • microSD
Maximum expandable memory
32 GB
32 GB

Mainboard

Chipset
  • MediaTek MT6589
  • MediaTek MT6582

Operating system

Operating system
Android 4.2
Android 4.4

Battery

Battery capacity
2000
3000
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Call duration in GSM networks
5 h
24 h
Standby time in GSM networks
260 h
480 h
Call duration in UMTS (WCDMA) networks
5 h
18 h
Standby time on UMTS (WCDMA) networks
260 h
360 h
Duration of listening to music
36 h

Screen

Screen diagonal
4.7 in
5 in
Screen resolution
1280 x 720 pixels
960 x 540 pixels
Resolution formats
  • HD
Pixel density
312 ppi
220 ppi
Screen technology
IPS
IPS
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Aspect ratio
1.778
1.778
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
13 Mp
5 Mp
Maximum photo resolution
4160 x 3120 pixels
2592 x 1944 pixels
Shooting resolution formats
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
The presence of a flash
Flash type
LED
LED
Aperture
f/1.8
f/2.8
Shooting settings
Autofocus
Face detector
Smile detector
Panoramic photography
HDR photography
Touch focus
Exposure compensation
White balance
ISO setting
Video capability
Maximum video resolution
1920 x 1080 pixels
1920 x 1080 pixels
Movie speed
30 fps
30 fps
Movie settings

Front photo/video camera

Front camera megapixels
2 Mp
0.3 Mp
Maximum photo resolution
1886 x 1061 pixels
730 x 411 pixels
Front camera video
Maximum video resolution
1280 x 720 pixels
640 x 480 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 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
UMTS support
UMTS frequencies
  • UMTS 900 MHz
  • UMTS 2100 MHz
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
LTE support
LTE frequencies
  • LTE 700 MHz
  • LTE 800 MHz
  • LTE 900 MHz
  • LTE 1700 MHz
  • LTE 1800 MHz
  • LTE 1900 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz

Internet data transmission standards

LTE standards
  • LTE Cat 4
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
  • 802.11b
  • 802.11g
  • 802.11n
Wi-Fi Direct support
Wi-Fi hotspot mode

USB

USB connector
USB connector type
Micro USB
Micro USB
USB standard
2.0
2.0
USB Mass Storage support

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 МГц
RDS support

Sensors and gauges

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

Connectors and interfaces

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

Images

Supported image formats
  • PNG
  • JPG
  • EXIF
  • GIF
Installed image editor
Geo tags
DLNA support

Video

Installed video player
Supported video formats
  • MP4
  • MPEG-4
  • H.263
  • H.264
  • MP4
  • MPEG-4
  • Xvid
  • H.263
  • H.264
Video resolution formats
  • Full HD
  • HD
  • Full HD
  • HD
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC
  • AMR
  • MP3
  • WAV
  • AAC
  • AAC+
  • AMR
  • AMR-NB
  • FLAC
  • MIDI
  • MP3
  • OGG
  • 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
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

Installed games
Installed games
  • Asphalt 7
  • Nova 3
  • Shark Dash
  • Gameloft Live
  • Wonder Zoo
  • Kingdom & Lords
  • World at Arms
  • Uno & Friends

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)