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Phone Kyocera Coast / Kona Casio G'zOne Boulder AT&T Vista Samsung Jitterbug J / SPH-A310
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
2" diag.
4 : 3
5.5" diag.
18 : 9
2.1" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (Color)
Display Refresh ? ? 60 Hz ?
Battery 870 mAh 810 mAh 2,450 mAh ?
Processor 480 MHz Qualcomm QSC6155 ? 2 GHz MediaTek Helio A22 (MT6761V) ?
RAM 128 MB ? 3 GB ?
Storage 256 MB ? raw hardware 32 GB ? raw hardware
Main Camera 2 megapixel 1 megapixel 8 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? 1080p HD -
Front Camera - - 5 megapixel -
Weight 3.7 oz
(105g)
4.9 oz
(139g)
5.51 oz
(156g)
3.99 oz
(113g)
Dimensions 3.94" x 2.05" x 0.68"
(100 x 52 x 17.3 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 800, 850, 1700, 1900

*

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

Data Technology 1xRTT EVDO rA LTE (Cat 4) -
Features 
Flashlight - Yes Yes -
GPS / Location Yes Yes n/a Yes
Ruggedized - Yes - -
Water-Resistant - Yes - -
Accessibility
Adjustable Text Size Yes - n/a -
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes Yes n/a -
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes
Micro-USB
Yes Yes
USB Type C
-
Wi-Fi - - Yes -
Contacts
Picture ID Yes Yes n/a -
Ringer ID Yes Yes n/a -
Voice Dialing Yes Yes n/a Yes
Customization
Changeable Body Plates - Yes - -
Custom Graphics Yes Yes n/a -
Custom Ringtones Yes Yes n/a -
Real-Music Ringers Yes - n/a -
Data & Network
Data Tethering - Yes n/a -
WAP / Web Browser Yes Yes n/a -
Input
Predictive Text Entry Yes Yes n/a -
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
EMS / Picture Messaging - Yes n/a -
MMS Yes Yes n/a -
Text Messaging Templates Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - Yes -
Music Player - Yes n/a -
Productivity
Alarm Yes Yes n/a -
Calculator Yes Yes n/a -
Calendar Yes Yes n/a -
Voice Memo Yes Yes n/a -
Software
BREW - Yes n/a -
Games Yes Yes n/a -
Java (J2ME) Yes - n/a -
Voice
HD Voice - - Yes -
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes Yes
  Kyocera Coast / Kona Casio G'zOne Boulder AT&T Vista Samsung Jitterbug J / SPH-A310
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera Coast / Kona Casio G'zOne Boulder AT&T Vista Samsung Jitterbug J / SPH-A310

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