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Phone Huawei M228 HTC Touch Diamond (CDMA) Samsung Exclaim M550 Samsung Axle R311
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 1.8" diag. 2.8" diag.
4 : 3
2.6" diag.
4 : 3
1.9" diag.
4 : 3
Display Resolution & Type ? 480 x 640 pixels
(~286 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,150 mAh 1,340 mAh 960 mAh ?
Processor ? 528 MHz Qualcomm MSM7501A ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 3 megapixel 2 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - CIF (352 x 288) ? -
Front Camera - - - -
Weight 2.96 oz
(84g)
4.1 oz
(116g)
4.69 oz
(133g)
3.37 oz
(96g)
Dimensions 4.29" x 1.78" x 0.59"
(109 x 45 x 15 mm)
3.98" x 2" x 0.6"
(101 x 51 x 15.2 mm)
4.45" x 2.24" x 0.67"
(113 x 57 x 17 mm)
3.54" x 1.77" x 0.77"
(90 x 45 x 19.6 mm)
Form Factor Slab Slab Slide Clamshell
Platform / OS (proprietary) Windows Mobile Professional (proprietary) (proprietary)
Network Bands

CDMA: 850, 1700, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT EVDO rA EVDO r0 1xRTT
Features 
GPS / Location Yes n/a Yes Yes
Accessibility
Adjustable Text Size - n/a - -
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
USB Yes
Mini-USB
Yes
Mini-USB
Yes -
Wi-Fi - Yes
802.11 b,g
- -
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID - n/a Yes Yes
Voice Dialing - n/a Yes Yes
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a Yes Yes
Data & Network
Data Tethering - n/a Yes Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes - -
Memory
Memory Card Slot - Yes * Yes -
Messaging
Email Client - n/a Yes -
Instant Messaging - n/a Yes -
MMS Yes n/a - Yes
Text Messaging Templates - n/a Yes Yes
Music
Music Player - n/a Yes -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List - n/a - -
Voice Memo Yes n/a Yes Yes
Software
BREW Yes n/a - Yes
Games Yes n/a Yes Yes
Java (J2ME) - n/a Yes -
Voice
Headset Jack (2.5 mm) Yes n/a Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Huawei M228 HTC Touch Diamond (CDMA) Samsung Exclaim M550 Samsung Axle R311
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Huawei M228 HTC Touch Diamond (CDMA) Samsung Exclaim M550 Samsung Axle R311

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