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Phone Samsung Propel Pro SGH-i627 Samsung Trill R520 Samsung Exclaim M550 Palm Treo 755p Huawei M228
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.6" diag.
1 : 1
2.2" diag.
4 : 3
2.6" diag.
4 : 3
? 1.8" diag.
Display Resolution & Type 320 x 320 pixels
(~177 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
?
Display Refresh ? ? ? ? ?
Battery 1,440 mAh 880 mAh 960 mAh 1,600 mAh 1,150 mAh
Processor 528 MHz ARM11 36EJS ? ? 312 MHz Intel XScale ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 1 megapixel 2 megapixel 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? ? CIF (352 x 288) -
Front Camera - - - - -
Weight 4.83 oz
(137g)
3.42 oz
(97g)
4.69 oz
(133g)
5.64 oz
(160g)
2.96 oz
(84g)
Dimensions 3.91" x 2.4" x 0.68"
(99 x 61 x 17.3 mm)
3.97" x 1.96" x 0.57"
(101 x 50 x 14.5 mm)
4.45" x 2.24" x 0.67"
(113 x 57 x 17 mm)
4.4" x 2.3" x 0.84"
(112 x 58 x 21.3 mm)
4.29" x 1.78" x 0.59"
(109 x 45 x 15 mm)
Form Factor Slide Slide Slide Slab Slab
Platform / OS Windows Mobile Standard (proprietary) (proprietary) Palm OS (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1700, 1900

Data Technology HSDPA 3.6 EVDO r0 EVDO r0 EVDO r0 1xRTT
Features 
GPS / Location n/a Yes Yes n/a Yes
Accessibility
Adjustable Text Size n/a - - n/a -
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
USB Yes Yes Yes Yes Yes
Mini-USB
Wi-Fi Yes
802.11 b,g
- - - -
Contacts
Picture ID n/a Yes Yes n/a Yes
Ringer ID n/a Yes Yes n/a -
Voice Dialing n/a Yes Yes n/a -
Customization
Custom Graphics n/a Yes Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a Yes Yes n/a -
Data & Network
Data Tethering n/a Yes Yes n/a -
External Antenna Jack n/a - - n/a -
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes Yes -
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a - Yes n/a -
Instant Messaging n/a - Yes n/a -
MMS n/a Yes - n/a Yes
Text Messaging Templates n/a Yes Yes n/a -
Music
Headphone Jack (3.5mm) - Yes - - -
Music Player n/a Yes Yes n/a -
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a - - n/a -
Voice Memo n/a Yes Yes n/a Yes
Software
BREW n/a Yes - n/a Yes
Games n/a Yes Yes n/a Yes
Java (J2ME) n/a - Yes n/a -
Voice
Headset Jack (2.5 mm) n/a - Yes n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Propel Pro SGH-i627 Samsung Trill R520 Samsung Exclaim M550 Palm Treo 755p Huawei M228
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Propel Pro SGH-i627 Samsung Trill R520 Samsung Exclaim M550 Palm Treo 755p Huawei M228

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