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Phone Samsung M400 Cricket Icon / AT&T Radiant Core Samsung Heat 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
5.5" diag.
18 : 9
? 2.1" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 960 pixels
(~195 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (Color)
Display Refresh ? 60 Hz ? ?
Battery 1,000 mAh 2,500 mAh 800 mAh ?
Processor 400 MHz Qualcomm QSC6155 1.5 GHz MediaTek MT6739 ? ?
RAM 128 MB 1 GB ? ?
Storage 256 MB 16 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel 5 megapixel 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD ? -
Front Camera - 2 megapixel - -
Weight 3.7 oz
(105g)
6.07 oz
(172g)
3.17 oz
(90g)
3.99 oz
(113g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
5.91" x 2.87" x 0.39"
(150 x 73 x 9.9 mm)
3.6" x 1.8" x 0.6"
(91 x 46 x 15.2 mm)
3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
Form Factor Clamshell Slab Slide Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 800, 850, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT LTE (Cat 4) EVDO r0 -
Features 
Flashlight - Yes - -
GPS / Location Yes n/a Yes Yes
Accessibility
Adjustable Text Size Yes n/a Yes -
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes n/a Yes -
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
USB Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a Yes -
Ringer ID Yes n/a Yes -
Voice Dialing Yes n/a - Yes
Customization
Custom Graphics Yes n/a Yes -
Custom Ringtones Yes n/a Yes -
Real-Music Ringers Yes n/a Yes -
Data & Network
WAP / Web Browser Yes n/a Yes -
Input
Predictive Text Entry Yes n/a Yes -
Side Keys Yes Yes Yes Yes
Touch Screen - Yes - -
Memory
Memory Card Slot - Yes - -
Messaging
MMS Yes n/a Yes -
Text Messaging Templates Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes - -
Music Player - n/a Yes -
Productivity
Alarm Yes n/a Yes -
Calculator Yes n/a Yes -
Calendar Yes n/a Yes -
To-Do List - n/a Yes -
Voice Memo Yes n/a Yes -
Software
Games Yes n/a Yes -
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes Yes
  Samsung M400 Cricket Icon / AT&T Radiant Core Samsung Heat Samsung Jitterbug J / SPH-A310
  X > < X > < X > < X

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

 
Phone Samsung M400 Cricket Icon / AT&T Radiant Core Samsung Heat Samsung Jitterbug J / SPH-A310

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