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Phone Siemens SL55 LG AX-490 Motorola KRZR K1m Motorola i90c Nokia N900
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? 3.5" diag.
5 : 3
Display Resolution & Type 101 x 80 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
800 x 480 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 500 mAh 1,100 mAh 880 mAh ? 1,320 mAh
Processor ? ? ? ? 600 MHz TI OMAP 3430 (ARM Cortex-A8)
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes 1 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? - ?
Front Camera - - - - -
Weight 2.79 oz
(79g)
3.79 oz
(107g)
3.63 oz
(103g)
5.33 oz
(151g)
6.38 oz
(181g)
Dimensions 3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
4.36" x 2.35" x 0.69"
(111 x 60 x 17.6 mm)
Form Factor Slide Clamshell Clamshell Clamshell Slide
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

iDEN: 800

WCDMA: 1, 4, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT EVDO r0 - HSPA 10.1
Features 
GPS / Location - Yes Yes - Yes
Accessibility
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - Yes Yes Yes -
Ringer Profiles Yes - Yes Yes -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) Yes - - - -
USB - Yes Yes
Mini-USB
- Yes
Micro-USB
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID Yes Yes Yes - Yes
Ringer ID Yes Yes Yes - -
Voice Dialing Yes Yes Yes Yes -
Customization
Custom Graphics Yes Yes Yes - Yes
Custom Ringtones Yes Yes Yes - Yes
Real-Music Ringers - Yes - - Yes
Data & Network
Data Tethering Yes Yes Yes Yes -
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry Yes - Yes Yes -
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client Yes - - - Yes
EMS / Picture Messaging Yes - Yes - -
Instant Messaging - - Yes * - Yes
MMS Yes Yes Yes - -
Text Messaging Templates Yes Yes Yes - -
Music
FM Transmitter - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player - - Yes - Yes
Stereo Speakers - Yes - - Yes
Photo & Video
DLNA - - - - Yes
TV Output - - - - Yes
Video Calling - - - - Yes *
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar Yes Yes Yes Yes Yes
To-Do List Yes - - - -
Voice Memo Yes Yes Yes Yes -
Software
BREW - Yes Yes * - -
Games Yes Yes Yes Yes Yes
Java (J2ME) Yes - Yes * Yes -
Voice
Headset Jack (2.5 mm) - Yes - Yes -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Siemens SL55 LG AX-490 Motorola KRZR K1m Motorola i90c Nokia N900
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Phone Siemens SL55 LG AX-490 Motorola KRZR K1m Motorola i90c Nokia N900

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