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Phone Samsung Trender Motorola Rival A455 Palm Pre Plus (GSM) ZTE Concord II
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
2.2" diag.
4 : 3
3.1" diag.
5 : 3
4" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,000 mAh 940 mAh 1,150 mAh 1,820 mAh
Processor Qualcomm QSC6055 ? ? 1.2 GHz Qualcomm MSM8210
RAM ? ? ? 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware 4 GB
Main Camera 1 megapixel 2 megapixel 3 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QVGA (320 x 240) VGA (640 x 480) 720p HD
Front Camera - - - -
Weight 4 oz
(113g)
4.48 oz
(127g)
4.89 oz
(139g)
4.4 oz
(125g)
Dimensions 4.2" x 2.2" x 0.6"
(107 x 56 x 15.2 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
4.96" x 2.56" x 0.42"
(126 x 65 x 10.7 mm)
Form Factor Slide Slide Slide Slab
Platform / OS (proprietary) (proprietary) webOS Android
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT EVDO r0 HSDPA 1.8 HSPA+ 21
Features 
GPS / Location Yes Yes n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot - - n/a n/a
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers Yes Yes n/a n/a
Data & Network
Data Tethering - Yes n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry - - n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes Yes -
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client Yes Yes n/a n/a
EMS / Picture Messaging - Yes n/a n/a
Instant Messaging - Yes n/a n/a
MMS Yes Yes n/a n/a
Text Messaging Templates - Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player Yes Yes n/a n/a
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List - - n/a n/a
Voice Memo - Yes n/a n/a
Software
BREW - Yes n/a n/a
Games - Yes n/a n/a
Voice
HD Voice - - - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Trender Motorola Rival A455 Palm Pre Plus (GSM) ZTE Concord II
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Phone Samsung Trender Motorola Rival A455 Palm Pre Plus (GSM) ZTE Concord II

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