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Phone Samsung Rugby A837 BlackBerry 7750 Huawei Pinnacle 2 Motorola Rival A455 Samsung SGH-D307
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 2.4" diag.
4 : 3
2.2" diag.
4 : 3
?
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,000 mAh ? 900 mAh 940 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware 24 MB ? raw hardware ? raw hardware
Main Camera 1 megapixel - 1 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - QCIF (176 x 144) QVGA (320 x 240) -
Front Camera - - - - -
Weight 4.66 oz
(132g)
5.01 oz
(142g)
3.63 oz
(103g)
4.48 oz
(127g)
4.3 oz
(122g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.51" x 2.39" x 0.47"
(115 x 61 x 11.9 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.7" x 1.9" x 0.85"
(94 x 48 x 21.6 mm)
Form Factor Clamshell Slab Slab Slide Clamshell
Platform / OS (proprietary) BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1700, 1900

*

CDMA: 850, 1900

GSM: 850, 1800, 1900

Data Technology HSDPA 3.6 1xRTT 1xRTT EVDO r0 EDGE
Features 
GPS / Location Yes n/a Yes Yes -
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes - Yes Yes Yes
USB Yes Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Contacts
Picture ID Yes n/a Yes Yes Yes
Ringer ID Yes n/a Yes Yes Yes
Voice Dialing - n/a - Yes Yes
Customization
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes Yes Yes
Real-Music Ringers Yes n/a - Yes Yes
Data & Network
Data Tethering Yes n/a - Yes Yes
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a - - Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes Yes Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client Yes n/a Yes Yes Yes
EMS / Picture Messaging - n/a - Yes Yes
Instant Messaging Yes n/a Yes Yes -
MMS Yes n/a Yes Yes Yes
Text Messaging Templates Yes n/a - Yes Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes n/a Yes Yes -
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List - n/a - - Yes
Voice Memo Yes n/a Yes Yes Yes
Software
BREW - n/a Yes Yes -
Games Yes n/a Yes Yes Yes
Java (J2ME) Yes n/a - - Yes
Voice
Headset Jack (2.5 mm) - n/a - - -
Push-To-Talk Yes - - - -
Speaker Phone Yes - Yes Yes Yes
  Samsung Rugby A837 BlackBerry 7750 Huawei Pinnacle 2 Motorola Rival A455 Samsung SGH-D307
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Phone Samsung Rugby A837 BlackBerry 7750 Huawei Pinnacle 2 Motorola Rival A455 Samsung SGH-D307

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