Manufacturer and Model

Manufacturer
Siemens
Ark
Phone model
A31
Benefit V4
Year of release
2005
2019

Appearance

Case type
Monoblock
Monoblock
Body length
102 mm
Body width
46 mm
Body thickness
17.6 mm
Weight
85 g
Volume
82.58 cm³
Body materials and finishes
  • Plastic
  • Plastic
Colors

Processor (CPU)

Number of processor cores
1

Internal storage

Built-in memory
  • 1024 kB

Battery

Battery capacity
820
1100
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Battery charging time
2 h
Call duration in GSM networks
5 h
10 h
Standby time in GSM networks
270 h
119 h

Screen

Screen diagonal
2.8 in
Screen resolution
128 x 128 pixels
320 x 240 pixels
Pixel density
143 ppi
Screen technology
CSTN
TFT
Color depth
16 bit
Aspect ratio
1
1.333

Main photo/video camera

Camera megapixels
0.3 Mp
Maximum photo resolution
730 x 411 pixels
The presence of a flash
Flash type
LED
Shooting settings
Video capability
Movie settings

SIM card and calls

Number of SIM-cards
1
2
Mode of operation of multiple SIM-cards
Alternating
SIM card type
Default
MP3 ringtones
Polyphonic ringtones
Vibration mode
Speakerphone
Speed dial
Autodial
Sound indication of talk time
Ability to mute the microphone during a call
Data exchange between SIM card and internal memory

Mobile communications

Cellular generation
2G
2.5G
GSM support
GSM frequencies
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 900 MHz
  • GSM 1800 MHz

Internet data transmission standards

Data transmission standards
  • GPRS

USB

USB connector
USB connector type
Micro USB
USB standard
2.0

Bluetooth

Built-in Bluetooth
Bluetooth standard
2.0
A2DP support

Radio

Built-in radio receiver
Radio range
87.5 - 108 МГц

Connectors and interfaces

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

Images

Supported image formats
  • PNG
  • JPG
  • GIF

Video

Installed video player
Supported video formats
  • MP4
  • 3GPP

Audio

Installed audio player
Supported audio formats
  • MIDI
  • MP3
  • WAV
MP3 support
Number of polyphony voices
32
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm

Control elements

Standard keypad
Russified input

Documents and office

Installed Organizer (PIM)

Connectivity and synchronization

PC connection

Software features

JAVA support
Installed browser
  • WAP

Installed games

Receiving and sending SMS

SMS messages
SMS T9 support
EMS support
MMS support

Additional features

Standalone mode (flight mode)

SAR level

SAR level
0.64 W/kg