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Phone Samsung Rugby A837 Motorola EM330 / EM28 ZTE F160 Samsung SGH-A657
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
1.8" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 940 mAh 900 mAh 1,420 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel 3 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) ? QCIF (176 x 144) -
Front Camera - - - -
Weight 4.66 oz
(132g)
3.17 oz
(90g)
2.96 oz
(84g)
4.34 oz
(123g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
4.57" x 1.93" x 0.44"
(116 x 49 x 11.2 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
Form Factor Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EDGE HSDPA 3.6 HSDPA 3.6
Features 
Flashlight - - - Yes
GPS / Location Yes - Yes Yes
Ruggedized Yes - - Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes Yes
Mini-USB
Yes
Micro-USB
Yes
Contacts
Picture ID Yes - - Yes
Ringer ID Yes - Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes Yes Yes Yes
Data & Network
Data Tethering Yes - - Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client Yes - - Yes
EMS / Picture Messaging - Yes - -
Instant Messaging Yes - Yes Yes
MMS Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes Yes -
Music Player Yes Yes Yes Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - - - Yes
Voice Memo Yes - Yes Yes
Software
Games Yes Yes Yes Yes
Java (J2ME) Yes Yes Yes Yes
Voice
Push-To-Talk Yes - - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Rugby A837 Motorola EM330 / EM28 ZTE F160 Samsung SGH-A657
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Rugby A837 Motorola EM330 / EM28 ZTE F160 Samsung SGH-A657

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