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Phone Samsung Jitterbug J / SPH-A310 Motorola Rival A455 UTStarcom CDM-8905 Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
2.2" diag.
4 : 3
? ?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (Color)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 940 mAh 1,100 mAh 1,000 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel - 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QVGA (320 x 240) - ?
Front Camera - - - -
Weight 3.99 oz
(113g)
4.48 oz
(127g)
3.5 oz
(99g)
4.4 oz
(125g)
Dimensions 3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.3" x 1.75" x 0.81"
(84 x 44 x 20.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Clamshell Slide Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology - EVDO r0 - EVDO r0
Features 
Flashlight - - - Yes
GPS / Location Yes Yes Yes Yes
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages - Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - Yes Yes
Connectivity
Bluetooth Yes Yes - Yes
USB - Yes
Micro-USB
- Yes
Contacts
Picture ID - Yes - Yes
Ringer ID - Yes Yes Yes
Voice Dialing Yes Yes Yes Yes
Customization
Custom Graphics - Yes - Yes
Custom Ringtones - Yes - Yes
Real-Music Ringers - Yes - Yes
Data & Network
Data Tethering - Yes - Yes
WAP / Web Browser - Yes - Yes
Input
Predictive Text Entry - - Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes - -
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - Yes - -
EMS / Picture Messaging - Yes - Yes
Instant Messaging - Yes - -
MMS - Yes - Yes
Text Messaging Templates Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - Yes - Yes
Stereo Speakers - - - Yes
Photo & Video
TV Output - - - Yes
Productivity
Alarm - Yes Yes Yes
Calculator - Yes Yes Yes
Calendar - Yes Yes Yes
Voice Memo - Yes Yes Yes
Software
BREW - Yes - Yes
Games - Yes - Yes
Voice
Headset Jack (2.5 mm) - - Yes -
Speaker Phone Yes Yes Yes Yes
  Samsung Jitterbug J / SPH-A310 Motorola Rival A455 UTStarcom CDM-8905 Samsung SCH-A990
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Phone Samsung Jitterbug J / SPH-A310 Motorola Rival A455 UTStarcom CDM-8905 Samsung SCH-A990

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