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Phone Samsung Jitterbug J / SPH-A310 Motorola Rival A455 UTStarcom CDM-8905 Samsung SCH-A990 Motorola T191
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released 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)
98 x 64 pixels
Display Refresh ? ? ? ? ?
Battery ? 940 mAh 1,100 mAh 1,000 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? 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)
3.49 oz
(99g)
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)
4.17" x 1.57" x 0.59"
(106 x 40 x 15 mm)
Form Factor Clamshell Slide Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 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 Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes - Yes Yes -
Ringer Profiles - - - - 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 Yes
Customization
Custom Graphics - Yes - Yes Yes
Custom Ringtones - Yes - Yes Yes
Real-Music Ringers - Yes - Yes -
Data & Network
Data Tethering - Yes - Yes Yes
WAP / Web Browser - Yes - Yes Yes
Input
Predictive Text Entry - - Yes 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 Yes
Music
Headphone Jack (3.5mm) - Yes - - -
Music Player - Yes - Yes -
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Productivity
Alarm - Yes Yes Yes Yes
Calculator - Yes Yes Yes Yes
Calendar - Yes Yes Yes Yes
Voice Memo - Yes Yes Yes Yes
Software
BREW - Yes - Yes -
Games - Yes - Yes Yes
Voice
Headset Jack (2.5 mm) - - Yes - Yes
Speaker Phone Yes Yes Yes Yes -
  Samsung Jitterbug J / SPH-A310 Motorola Rival A455 UTStarcom CDM-8905 Samsung SCH-A990 Motorola T191
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Jitterbug J / SPH-A310 Motorola Rival A455 UTStarcom CDM-8905 Samsung SCH-A990 Motorola T191

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