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Phone Sony Ericsson J300a Kyocera 2135 Ericsson R278d Palm Treo 600 (GSM) Siemens SX1
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
? 101 x 40 pixels 160 x 160 pixels
LCD (Color)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? 925 mAh ? ? 1,000 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - Yes Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - QCIF (176 x 144)
Front Camera - - - - -
Weight 2.75 oz
(78g)
4.7 oz
(133g)
9.28 oz
(263g)
5.92 oz
(168g)
4.09 oz
(116g)
Dimensions 3.9" x 1.68" x 0.72"
(99 x 43 x 18.3 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.29" x 2.2" x 0.75"
(109 x 56 x 19.1 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Palm OS S60 (Symbian)
Network Bands

GSM: 850, 1900

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS - - GPRS GPRS
Features 
Accessibility
Multiple Languages - Yes Yes n/a n/a
TTY/TDD (Digital) Yes - - Yes -
Alerts
Ringer Profiles Yes - Yes - Yes
Connectivity
Bluetooth - - - - Yes
Classic Audio
Infrared (IR) - - - Yes Yes
USB Yes - - Yes Yes
Contacts
Picture ID Yes - - n/a n/a
Ringer ID - - - n/a n/a
Voice Dialing Yes - - n/a n/a
Customization
Changeable Body Plates Yes Yes - - -
Custom Graphics Yes - - n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Data & Network
Data Tethering Yes Yes Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys - - Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - - Yes -
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client Yes - - n/a n/a
EMS / Picture Messaging Yes - - n/a n/a
MMS Yes - - n/a n/a
Text Messaging Templates - Yes - n/a n/a
Music
FM Radio - - - - Yes
Music Player - - - n/a n/a
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes - n/a n/a
Calendar Yes - - n/a n/a
To-Do List Yes - - n/a n/a
Voice Memo Yes - - n/a n/a
Software
Games Yes Yes - n/a n/a
Java (J2ME) Yes - - n/a n/a
Voice
Headset Jack (2.5 mm) - Yes - n/a n/a
Speaker Phone Yes - - Yes Yes
  Sony Ericsson J300a Kyocera 2135 Ericsson R278d Palm Treo 600 (GSM) Siemens SX1
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson J300a Kyocera 2135 Ericsson R278d Palm Treo 600 (GSM) Siemens SX1

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