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Phone Samsung Jack i637 Sony Ericsson Z310 Palm Pre Plus (CDMA) Ericsson R520
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 3.1" diag.
5 : 3
?
Display Resolution & Type 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
?
Display Refresh ? ? ? ?
Battery 1,480 mAh ? ? ?
Processor ? ? TI OMAP 3430 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel Yes 3 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - ? -
Front Camera - - - -
Weight 3.6 oz
(102g)
3.2 oz
(91g)
4.89 oz
(139g)
4.23 oz
(120g)
Dimensions 4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
3.4" x 1.8" x 1"
(86 x 46 x 25.4 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
Form Factor Slab Clamshell Slide Slab
Platform / OS Windows Mobile Standard (proprietary) webOS (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 EDGE EVDO rA GPRS
Features 
GPS / Location n/a - n/a -
Accessibility
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes -
Alerts
Extra Display - Yes - -
Ringer Profiles Yes Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
Infrared (IR) - Yes - Yes
Mobile Hotspot n/a - n/a -
USB Yes Yes Yes
Micro-USB
-
Wi-Fi Yes
802.11 b,g
- Yes
802.11 b,g
-
Contacts
Picture ID n/a Yes n/a -
Ringer ID n/a Yes n/a -
Voice Dialing n/a - n/a Yes
Customization
Custom Graphics n/a Yes n/a -
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes -
Touch Screen - - Yes -
Memory
Memory Card Slot Yes - - -
Messaging
Email Client n/a Yes n/a -
Instant Messaging n/a - n/a -
MMS n/a Yes n/a -
Text Messaging Templates n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player n/a - n/a -
Power
Wireless Charging - - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a Yes
Software
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
Speaker Phone Yes Yes Yes Yes
  Samsung Jack i637 Sony Ericsson Z310 Palm Pre Plus (CDMA) Ericsson R520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Jack i637 Sony Ericsson Z310 Palm Pre Plus (CDMA) Ericsson R520

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