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Phone Ericsson T28 World Palm Pre 2 (GSM) Samsung SPH-N270 (Matrix Phone) Siemens A56 / A56i
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
? ?
Display Resolution & Type ? 320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
101 x 64 pixels
Display Refresh ? ? ? ?
Battery 500 mAh 1,150 mAh 1,000 mAh 700 mAh
Processor ? 1 GHz TI 3630 ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 5 megapixel - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - VGA (640 x 480) - -
Front Camera - - - -
Weight 3.14 oz
(89g)
5.1 oz
(145g)
4.66 oz
(132g)
3 oz
(85g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.96" x 2.35" x 0.67"
(101 x 60 x 17 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
Form Factor Flip Slide Slide Slab
Platform / OS (proprietary) webOS (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1900

Data Technology - HSDPA 3.6 - -
Features 
GPS / Location - n/a Yes Yes
Accessibility
Multiple Languages - n/a Yes -
TTY/TDD (Digital) - Yes - Yes
Alerts
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth - Yes - -
USB - Yes
Micro-USB
- -
Wi-Fi - Yes
802.11 b,g
- -
Contacts
Picture ID - n/a Yes Yes
Ringer ID - n/a Yes Yes
Voice Dialing Yes n/a Yes -
Customization
Changeable Body Plates - - - Yes
Custom Graphics - n/a - Yes
Custom Ringtones Yes n/a - Yes
Real-Music Ringers - n/a - -
Data & Network
Data Tethering Yes n/a - -
WAP / Web Browser - n/a - Yes
Input
Predictive Text Entry - n/a Yes Yes
Side Keys Yes Yes - -
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes - -
Messaging
Email Client - n/a - -
EMS / Picture Messaging - n/a - Yes
Instant Messaging - n/a - -
MMS - n/a - -
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - n/a - -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar - n/a Yes -
To-Do List - n/a Yes -
Voice Memo - n/a Yes -
Software
Games Yes n/a - Yes
Voice
Headset Jack (2.5 mm) - n/a Yes -
Speaker Phone - Yes - -
  Ericsson T28 World Palm Pre 2 (GSM) Samsung SPH-N270 (Matrix Phone) Siemens A56 / A56i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T28 World Palm Pre 2 (GSM) Samsung SPH-N270 (Matrix Phone) Siemens A56 / A56i

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