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Phone Siemens CT66 / C66 / C65 / C71 / C70 Samsung SPH-i550 Nokia N91 Palm Treo Pro (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 130 x 130 pixels
LCD (Color)
320 x 320 pixels
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 600 mAh ? ? 1,500 mAh
Processor ? 200 MHz Motorola MX-1 ? 528 MHz Qualcomm MSM7501a
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 1 megapixel 2 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? ? ?
Front Camera - - - -
Weight 3 oz
(85g)
? 5.78 oz
(164g)
4.69 oz
(133g)
Dimensions 4.1" x 1.8" x 0.7"
(104 x 46 x 17.8 mm)
3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
4.45" x 2.17" x 0.87"
(113 x 55 x 22.1 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
Form Factor Slab Clamshell Slide Slab
Platform / OS (proprietary) Palm OS S60 (Symbian) Windows Mobile Professional
Network Bands

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

WCDMA: 1

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT EDGE EVDO rA
Features 
GPS / Location - n/a n/a n/a
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible - - - Yes
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - Yes - Yes
Alerts
Extra Display - Yes - -
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth - - Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes Yes - Yes
USB Yes - Yes
Mini-USB
Yes
Micro-USB
Wi-Fi - - Yes
802.11 b,g
Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing - n/a n/a n/a
Customization
Changeable Body Plates Yes - - -
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers - n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys - Yes Yes Yes
Stylus - - - Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes Yes
Music Player - n/a n/a n/a
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
Call Screening Yes - - -
Headset Jack (2.5 mm) - n/a n/a n/a
Push-To-Talk Yes * - Yes * -
Speaker Phone Yes - Yes Yes
  * Some versions only
  Siemens CT66 / C66 / C65 / C71 / C70 Samsung SPH-i550 Nokia N91 Palm Treo Pro (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CT66 / C66 / C65 / C71 / C70 Samsung SPH-i550 Nokia N91 Palm Treo Pro (CDMA)

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