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Phone Samsung Jitterbug J / SPH-A310 Samsung SPH-N240 Nokia Lumia 900 Casio G'zOne Boulder ZTE Flash
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? 4.3" diag.
5 : 3
2" diag.
4 : 3
4.5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (Color)
128 x 64 pixels 480 x 800 pixels
(~217 ppi)
AMOLED
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery ? ? 1,830 mAh 810 mAh 1,780 mAh
Processor ? ? 1.4 GHz Qualcomm S2 APQ8055 ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM ? ? 512 MB ? 1 GB
Storage ? raw hardware ? raw hardware 16 GB ? raw hardware 8 GB
Main Camera - - 8 megapixel 1 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD ? 1080p HD
Front Camera - - 1 megapixel - 1 megapixel
Weight 3.99 oz
(113g)
3.2 oz
(91g)
5.6 oz
(159g)
4.9 oz
(139g)
5.2 oz
(147g)
Dimensions 3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
4.1" x 1.5" x 0.7"
(104 x 38 x 17.8 mm)
5.03" x 2.7" x 0.45"
(128 x 69 x 11.4 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Windows (proprietary) Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 25

CDMA: 800, 850, 1900

Data Technology - - LTE (Cat 3) EVDO rA LTE (Cat 3)
Features 
Flashlight - - - Yes -
GPS / Location Yes Yes n/a Yes n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages - Yes n/a Yes n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - n/a - n/a
NFC - - - - Yes
USB - - Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - - Yes - Yes
4 (802.11 b,g,n)
Contacts
Picture ID - - n/a Yes n/a
Ringer ID - Yes n/a Yes n/a
Voice Dialing Yes Yes n/a Yes n/a
Customization
Changeable Body Plates - Yes - Yes -
Custom Graphics - - n/a Yes n/a
Custom Ringtones - - n/a Yes n/a
Real-Music Ringers - - n/a - n/a
Data & Network
Data Tethering - - n/a Yes n/a
WAP / Web Browser - - n/a Yes n/a
Input
Predictive Text Entry - Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client - - n/a - n/a
EMS / Picture Messaging - - n/a Yes n/a
Instant Messaging - - n/a - n/a
MMS - - n/a Yes n/a
Text Messaging Templates Yes - n/a Yes n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - - n/a Yes n/a
Productivity
Alarm - Yes n/a Yes n/a
Calculator - Yes n/a Yes n/a
Calendar - Yes n/a Yes n/a
To-Do List - Yes n/a - n/a
Voice Memo - - n/a Yes n/a
Software
BREW - - n/a Yes n/a
Games - Yes n/a Yes n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - Yes n/a - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes - Yes Yes Yes
  Samsung Jitterbug J / SPH-A310 Samsung SPH-N240 Nokia Lumia 900 Casio G'zOne Boulder ZTE Flash
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Jitterbug J / SPH-A310 Samsung SPH-N240 Nokia Lumia 900 Casio G'zOne Boulder ZTE Flash

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