Manufacturer and Model

Manufacturer
Nokia
AirOn
Phone model
Asha 503
Flash
Year of release
2013
2012

Appearance

Case type
Monoblock
Watch
Body length
103 mm
69 mm
Body width
61 mm
48 mm
Body thickness
12.7 mm
12.5 mm
Weight
110 g
35 g
Volume
78.96 cm³
41.4 cm³
Body materials and finishes
  • Plastic
  • Plastic
Replaceable panels
Colors

Processor (CPU)

Number of processor cores
1
1

Graphics Processor (GPU)

GPU

Primary storage (RAM)

The amount of RAM
128 MB
71 MB

SD card

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

Operating system

Operating system
Nokia Asha Software Platform 1.2

Battery

Battery capacity
1200
480
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Call duration in GSM networks
12 h
6 h
Standby time in GSM networks
840 h
200 h
Call duration in UMTS (WCDMA) networks
4 h
Standby time on UMTS (WCDMA) networks
840 h
Duration of listening to music
36 h
Video watching duration
12 h
Duration of using Wi-Fi
4 h

Screen

Screen diagonal
3 in
1.8 in
Screen resolution
320 x 240 pixels
220 x 176 pixels
Pixel density
133 ppi
157 ppi
Screen technology
TFT
TFT
Color depth
18 bit
18 bit
Touch screen
Touch screen type
Capacitive
Resistive
Aspect ratio
1.333
1.25
Auto-rotate screen
Proximity sensor

Main photo/video camera

Camera megapixels
5 Mp
0.3 Mp
Maximum photo resolution
2592 x 1944 pixels
640 x 480 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
The presence of a flash
Flash type
LED
Digital zoom
3 X
Aperture
f/2.4
Shooting settings
Viewfinder
Self-timer
White balance
Other photo settings
  • Color modes
Video capability
Maximum video resolution
320 x 240 pixels
640 x 480 pixels
Movie speed
15 fps
30 fps
Digital video zoom
1 X
Movie settings
Movie settings list
  • Color modes: negative
  • Ordinary
  • Sepia
  • Daylight
  • Incandescent light bulb

SIM card and calls

Number of SIM-cards
1
1
SIM card type
Micro-SIM
MP3 ringtones
Polyphonic ringtones
Vibration mode
Speakerphone
Conference call
Speed dial
Second microphone
Autodial
Noise reduction during a call
Ability to mute the microphone during a call
Extended phone book
Contacts in the phone book
4000
500
Data exchange between SIM card and internal memory
VoIP telephony

Mobile communications

Cellular generation
3.5G
2G
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

Internet data transmission standards

Data transmission standards
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS
  • GPRS

Wi-Fi

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

USB

USB connector
USB connector type
Micro USB
Micro USB
USB standard
2.0
2.0

Bluetooth

Built-in Bluetooth
Bluetooth standard
3.0
2.0
A2DP support
AVRCP support
Other Bluetooth profiles
  • OPP
  • HFP
  • HSP
  • PBAP
  • DUN
  • FTP

Navigation and positioning

Built-in digital compass
Cell ID location

Radio

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

Sensors and gauges

Proximity sensor
Accelerometer
Orientation and rotation sensor
Magnetometer

Connectors and interfaces

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

Images

Supported image formats
  • PNG
  • JPG
  • EXIF
  • GIF
  • JPG
  • GIF
Installed image editor

Video

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

Audio

Installed audio player
Supported audio formats
  • AAC
  • AAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • M4A
  • MIDI
  • MP3
  • WAV
  • MP3
MP3 support
Streaming audio
Number of polyphony voices
32
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm

Control elements

Touch input
Multitouch
Pinch zoom
Russified input

Documents and office

Installed Organizer (PIM)
Office document support
Email
Handwriting recognition

Connectivity and synchronization

PC connection
Tethering support
Synchronization over the mobile network
OTA sync
Synchronization with services
  • MS Outlook
  • Gmail
  • Facebook
  • Twitter
  • Youtube
  • Windows Live Messenger
  • Youtube Messenger
  • Sina Weibo
  • WhatsApp
  • LINE
  • WeChat
  • MS Outlook

Software features

JAVA support
Installed browser
  • HTML
  • WAP
  • WAP

Installed games

Receiving and sending SMS

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

Additional features

Standalone mode (flight mode)