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Phone Siemens S46 BlackBerry 7750 Kyocera 2235 Ericsson R278d Siemens CF75
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ? 240 x 240 pixels
LCD (Color)
? 101 x 40 pixels 128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery 850 mAh ? ? ? 600 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - - Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - -
Front Camera - - - - -
Weight 4.3 oz
(122g)
5.01 oz
(142g)
4.34 oz
(123g)
9.28 oz
(263g)
3.17 oz
(90g)
Dimensions 4.62" x 1.75" x 0.88"
(117 x 44 x 22.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.72" x 1.89" x 0.95"
(120 x 48 x 24.1 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS (proprietary) BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

TDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

Data Technology GPRS 1xRTT 1xRTT - EDGE
Features 
GPS / Location - n/a - - -
Accessibility
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) - Yes - - -
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes Yes - Yes -
Connectivity
Infrared (IR) Yes - - - Yes
USB - Yes - - Yes
Contacts
Voice Dialing Yes n/a Yes - -
Customization
Custom Graphics Yes n/a - - Yes
Custom Ringtones Yes n/a Yes Yes Yes
Data & Network
Data Tethering Yes n/a Yes Yes Yes
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes Yes
Side Keys Yes Yes - Yes Yes
Text Keyboard, Hardware - Yes - - -
Messaging
Email Client - n/a - - Yes
EMS / Picture Messaging - n/a - - Yes
MMS - n/a - - Yes
Text Messaging Templates Yes n/a Yes - Yes
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes - Yes
Calendar Yes n/a - - Yes
To-Do List Yes n/a - - Yes
Voice Memo Yes n/a Yes - Yes
Software
Games Yes n/a Yes - Yes
Java (J2ME) - n/a - - Yes
Voice
Headset Jack (2.5 mm) - n/a Yes - -
Push-To-Talk - - - - Yes
Speaker Phone - - - - Yes
  Siemens S46 BlackBerry 7750 Kyocera 2235 Ericsson R278d Siemens CF75
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens S46 BlackBerry 7750 Kyocera 2235 Ericsson R278d Siemens CF75

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