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Phone Siemens CX75 Kyocera 2135 Sony Ericsson W810 Ericsson R520 Motorola i50sx
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 132 x 176 pixels
LCD (TFT/TFD)
? 176 x 220 pixels
LCD (TFT/TFD)
? ?
LCD (Grayscale)
Display Refresh ? ? ? ? ?
Battery 750 mAh 925 mAh ? ? 750 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel - 2 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - ? - -
Front Camera - - - - -
Weight 3.46 oz
(98g)
4.7 oz
(133g)
3.49 oz
(99g)
4.23 oz
(120g)
5.1 oz
(145g)
Dimensions 4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
3.94" x 1.81" x 0.77"
(100 x 46 x 19.6 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
5.24" x 2.05" x 1.18"
(133 x 52 x 30 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

iDEN: 800

Data Technology GPRS - EDGE GPRS -
Features 
Flashlight - - Yes - -
Accessibility
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) - - Yes - Yes
Alerts
Ringer Profiles Yes - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
-
Infrared (IR) Yes - Yes Yes -
USB Yes - Yes - -
Contacts
Picture ID Yes - Yes - -
Ringer ID Yes - Yes - -
Voice Dialing - - Yes Yes Yes
Customization
Changeable Body Plates - Yes - - Yes
Custom Graphics Yes - Yes - -
Custom Ringtones Yes Yes Yes Yes -
Real-Music Ringers - - Yes - -
Data & Network
Data Tethering Yes Yes Yes Yes Yes
External Antenna Jack - - Yes - -
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys Yes - Yes Yes Yes
Memory
Memory Card Slot Yes - Yes - -
Messaging
Email Client Yes - Yes - -
EMS / Picture Messaging Yes - Yes - -
Instant Messaging - - Yes - -
MMS Yes - Yes - -
Text Messaging Templates - Yes Yes Yes -
Music
FM Radio - - Yes - -
Music Player Yes - Yes - -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes -
Calendar Yes - Yes Yes Yes
To-Do List Yes - Yes - -
Voice Memo Yes - Yes Yes -
Software
Games Yes Yes Yes Yes -
Java (J2ME) Yes - Yes - -
Voice
Headset Jack (2.5 mm) - Yes - - Yes
Push-To-Talk Yes - - - Yes
Speaker Phone Yes - Yes Yes -
  Siemens CX75 Kyocera 2135 Sony Ericsson W810 Ericsson R520 Motorola i50sx
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CX75 Kyocera 2135 Sony Ericsson W810 Ericsson R520 Motorola i50sx

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