Manufacturer and Model

Manufacturer
Nokia
Acer
Phone model
E65
Liquid Z4
Year of release
2007
2014

Appearance

Case type
Slider
Monoblock
Body length
105 mm
124 mm
Body width
49 mm
64 mm
Body thickness
15.5 mm
9.7 mm
Weight
115 g
130 g
Volume
79.75 cm³
76.98 cm³
Body materials and finishes
  • Metal
  • Plastic
  • Plastic
Colors

Processor (CPU)

Processor model
  • ARM 9
  • ARM Cortex-A7
CPU clock speed
220 MHz
1300 MHz
Number of processor cores
1
2
Level 1 cache (L1)
32 + 32 kB
Level 2 cache (L2)
256 kB
Processor size
32 bits
Instruction set architecture
ARMv7
Manufacturing process
28 nm

Graphics Processor (GPU)

GPU
GPU model
  • ARM Mali-400 MP1
GPU clock speed
500 MHz
Number of GPU cores
1

Primary storage (RAM)

The amount of RAM
64 MB
512 MB
RAM type
LPDDR2
RAM frequency
266 MHz

Internal storage

Built-in memory
  • 50 MB
  • 4 GB

SD card

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

Mainboard

Chipset
  • MediaTek MT6572

Operating system

Operating system
Symbian OS 9.1
Android 4.2

Battery

Battery capacity
1100
2000
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Call duration in GSM networks
6 h
Standby time in GSM networks
264 h
Call duration in UMTS (WCDMA) networks
2 h 30 min
Standby time on UMTS (WCDMA) networks
336 h

Screen

Screen diagonal
4 in
Screen resolution
320 x 240 pixels
800 x 480 pixels
Pixel density
233 ppi
Screen technology
TFT
TFT
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Aspect ratio
1.333
1.667
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
2 Mp
5 Mp
Maximum photo resolution
1600 x 1200 pixels
2592 x 1944 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
The presence of a flash
Flash type
LED
Digital zoom
4 X
Aperture
f/2.4
Shooting settings
Autofocus
Face detector
Panoramic photography
HDR photography
Touch focus
Exposure compensation
Self-timer
White balance
ISO setting
Video capability
Maximum video resolution
352 x 288 pixels
Movie speed
15 fps
30 fps
Digital video zoom
4 X
Movie settings

SIM card and calls

Number of SIM-cards
1
1
MP3 ringtones
Polyphonic ringtones
Vibration mode
Speakerphone
Conference call
Speed dial
Autodial
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
VoIP telephony

Mobile communications

Cellular generation
3G
3.5G
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 2100 MHz
  • UMTS 900 MHz
  • UMTS 2100 MHz

Internet data transmission standards

Data transmission standards
  • EDGE
  • GPRS
  • HSCSD
  • CSD
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS

Wi-Fi

Built-in Wi-Fi
Wi-Fi standards
  • 802.11b
  • 802.11g
  • 802.11n
Wi-Fi hotspot mode

USB

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

Bluetooth

Built-in Bluetooth
Bluetooth standard
1.2
4.0
A2DP support
Other Bluetooth profiles
  • BIP
  • DUN
  • FTP
  • GAP
  • GOEP
  • HFP
  • HID
  • HSP
  • OPP
  • SAP
  • SPP

Navigation and positioning

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

Radio

Built-in radio receiver
Radio range
87.5 - 108 МГц
DRM support

Sensors and gauges

Ambient light sensor
Proximity sensor
Accelerometer
Orientation and rotation sensor
Magnetometer

Connectors and interfaces

USB connector
Micro USB
TRS jack (mini/micro jack)
3.5 mm
Infrared port (IrDA)
POP-Port

Images

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

Video

Installed video player
Supported video formats
  • MP4
  • MPEG-4
  • 3GPP
  • H.263
  • H.264
  • WMV
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC
  • eAAC+
  • AMR-NB
  • AMR-WB
  • M4A
  • SP-MIDI
  • MP3
  • AAC
  • AMR
  • AMR-NB
  • MIDI
  • MP3
  • WMA
  • WAV
MP3 support
Streaming audio
Number of polyphony voices
48
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm

Control elements

Touch input
Multitouch
Standard keypad
Pinch zoom
Russified input

Documents and office

Installed Organizer (PIM)
Office document support
Supported document formats
  • PDF
  • ZIP
  • PDF
Email
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

Software features

JAVA support
Installed browser
  • HTML
  • WAP
  • HTML
  • HTML5
  • CSS3
  • WAP

Installed games

Receiving and sending SMS

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

Security

Installed VPN

Additional features

Standalone mode (flight mode)
Push-To-Talk function

SAR level

SAR level
0.87 W/kg