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Phone Kyocera 2135 Sony Ericsson K550 / W610 Ericsson R278d Sanyo RL-4930 Sharp Z-800 (Audiovox 7900)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ? 176 x 220 pixels
LCD (TFT/TFD)
101 x 40 pixels 128 x 112 pixels
LCD (STN)
?
LCD (Color)
Display Refresh ? ? ? ? ?
Battery 925 mAh ? ? 1,700 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel - - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? - - -
Front Camera - - - - -
Weight 4.7 oz
(133g)
3 oz
(85g)
9.28 oz
(263g)
4.4 oz
(125g)
4.25 oz
(120g)
Dimensions 5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
4" x 1.8" x 0.5"
(102 x 46 x 12.7 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.5" x 2" x 1"
(114 x 51 x 25.4 mm)
3.6" x 2" x 1.1"
(91 x 51 x 27.9 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

Data Technology - EDGE - 1xRTT -
Features 
GPS / Location - - - Yes -
Ruggedized - - - Yes -
Accessibility
Multiple Languages Yes Yes Yes Yes -
TTY/TDD (Digital) - - - Yes -
Alerts
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth - Yes
Classic Audio
- - -
Infrared (IR) - Yes - - -
USB - Yes - Yes -
Contacts
Picture ID - Yes - Yes Yes
Ringer ID - Yes - Yes Yes
Voice Dialing - Yes - Yes -
Customization
Changeable Body Plates Yes - - - -
Custom Graphics - Yes - Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers - Yes - - -
Data & Network
Data Tethering Yes Yes Yes - 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 - - -
Messaging
Email Client - Yes - - -
EMS / Picture Messaging - Yes - - -
MMS - Yes - - -
Text Messaging Templates Yes Yes - - Yes
Music
FM Radio - Yes - - -
Music Player - Yes - - -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes - - -
Calendar - Yes - Yes -
To-Do List - Yes - Yes -
Voice Memo - Yes - Yes -
Software
BREW - - - - Yes
Games Yes Yes - Yes Yes
Java (J2ME) - Yes - Yes -
Voice
Call Screening - - - Yes -
Headset Jack (2.5 mm) Yes - - - Yes
Push-To-Talk - - - Yes -
Speaker Phone - Yes - Yes -
  Kyocera 2135 Sony Ericsson K550 / W610 Ericsson R278d Sanyo RL-4930 Sharp Z-800 (Audiovox 7900)
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera 2135 Sony Ericsson K550 / W610 Ericsson R278d Sanyo RL-4930 Sharp Z-800 (Audiovox 7900)

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