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Phone Audiovox CDM-8900 Samsung SPH-N400 Samsung Trance SCH-U490 Samsung Galaxy J2 / J2 Pure / J2 Dash Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers (none) (none) (none) (none) AT&T
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.1" diag.
4 : 3
5" diag.
16 : 9
6.1" diag.
19.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 1,000 mAh ? ? 2,600 mAh 3,000 mAh
Processor ? ? ? 1.4 GHz Samsung Exynos 7570 2 GHz MediaTek Helio A22 (MT6761WB)
RAM ? ? ? 2 GB 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB 64 GB
Main Camera Yes - 1 megapixel 8 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - 1080p HD ?
Front Camera - - - 5 megapixel 5 megapixel
Weight 3.28 oz
(93g)
4 oz
(113g)
3.53 oz
(100g)
5.43 oz
(154g)
5.64 oz
(160g)
Dimensions 3.41" x 1.77" x 0.75"
(87 x 45 x 19.1 mm)
4.25" x 2.04" x 0.82"
(108 x 52 x 20.8 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
Form Factor Clamshell Flip Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

Data Technology 1xRTT 1xRTT 1xRTT LTE (Cat 4) LTE (Cat 4)
Features 
Flashlight - - - Yes Yes
GPS / Location Yes Yes Yes n/a n/a
Accessibility
Adjustable Text Size - - Yes n/a n/a
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth - - Yes Yes Yes
USB Yes Yes Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing Yes Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - - Yes n/a n/a
Data & Network
Data Tethering Yes Yes Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
EMS / Picture Messaging Yes - - n/a n/a
MMS - - Yes n/a n/a
Text Messaging Templates Yes - Yes n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player - - Yes n/a n/a
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - Yes - n/a n/a
Voice Memo Yes - Yes n/a n/a
Software
BREW Yes * - Yes n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes * Yes - n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes Yes - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Audiovox CDM-8900 Samsung SPH-N400 Samsung Trance SCH-U490 Samsung Galaxy J2 / J2 Pure / J2 Dash Cricket Debut S2 / AT&T Calypso 4
  X > < X > < X > < X > < X

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

 
Phone Audiovox CDM-8900 Samsung SPH-N400 Samsung Trance SCH-U490 Samsung Galaxy J2 / J2 Pure / J2 Dash Cricket Debut S2 / AT&T Calypso 4

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