Alcatel OT 531 vs Siemens A57

Alcatel OT 531
Alcatel OT 531
Siemens A57
Siemens A57
Alcatel OT 531
Siemens A57
  • Network
  • 2G network
    GSM 900, 1800
    GSM 900, 1800
  • GPRS
    Yes
  • EDGE
  • Availability
  • Oficially announced
    2003-3
    2004
  • Status
  • Design
  • SIM
    Mini-SIM
    Mini-SIM
  • Height
    116 mm
    103 mm
  • Width
    47 mm
    46 mm
  • Thickness
    20 mm
    21.5 mm
  • Weight
    95 g
    84 g
  • Colors
    3
    Cassis, Pebble
  • Display
  • Display type
    CSTN
    Monochrome graphic
  • Physical size
    -
    5 lines
  • Resolution
    128 x 141 pixels
    101 x 64 pixels
  • Display colors
    4096
    -
  • Hardware
  • Memory card
  • Sound
  • 3.5mm jack
    No
    No
  • Loudspeaker
    Yes
    No
  • Notifications
    Vibration; Polyphonic(16) ringtones, composer
    Vibration; Downloadable polyphonic ringtones
  • Multimedia
  • Radio
    No
    No
  • Connectivity
  • WLAN
  • USB
  • Bluetooth
  • Infrared
    Yes
    -
  • GPS
    No
    No
  • Features
  • Alarm
    Yes
    -
  • Clock
    Yes
    -
  • Messaging SMS
    SMS
    SMS
  • Messaging EMS
    EMS
    EMS
  • WAP
    WAP 1.2.1 color image viewer (GIF, PNG, JPG)
    WAP 1.2.1
  • Java
    No
    No
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    900 mAh
    700 mAh
  • Talk time
    4 h
    2 h
  • Standby time
    350 h
    250 h

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