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Phone Samsung M400 Samsung Jitterbug J / SPH-A310
Current U.S. Carriers (none) (none)
Global Availability Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
2.1" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (Color)
Display Refresh ? ?
Battery 1,000 mAh ?
Processor 400 MHz Qualcomm QSC6155 ?
RAM 128 MB ?
Storage 256 MB ? raw hardware
Main Camera 1 megapixel -
Wide Camera - -
Tele Camera - -
Video Capture - -
Front Camera - -
Weight 3.7 oz
(105g)
3.99 oz
(113g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
Form Factor Clamshell Clamshell
Platform / OS (proprietary) (proprietary)
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT -
Features 
GPS / Location Yes Yes
Accessibility
Adjustable Text Size Yes -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes -
TTY/TDD (Digital) Yes -
Alerts
Extra Display Yes Yes
Connectivity
Bluetooth Yes Yes
USB Yes
Micro-USB
-
Contacts
Picture ID Yes -
Ringer ID Yes -
Voice Dialing Yes Yes
Customization
Custom Graphics Yes -
Custom Ringtones Yes -
Real-Music Ringers Yes -
Data & Network
WAP / Web Browser Yes -
Input
Predictive Text Entry Yes -
Side Keys Yes Yes
Messaging
MMS Yes -
Text Messaging Templates Yes Yes
Music
Headphone Jack (3.5mm) Yes -
Productivity
Alarm Yes -
Calculator Yes -
Calendar Yes -
Voice Memo Yes -
Software
Games Yes -
Voice
Speaker Phone Yes Yes
  Samsung M400 Samsung Jitterbug J / SPH-A310
  X > < X

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

 
Phone Samsung M400 Samsung Jitterbug J / SPH-A310

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