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Phone Samsung Rugby A837 Coolpad Quattro 4G Samsung Galaxy Note Edge (GSM) Samsung Gravity TXT
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
4" diag.
5 : 3
5.6" diag.
16 : 9
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~525 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 1,000 mAh 1,600 mAh 3,000 mAh 1,000 mAh
Processor ? ? 2.7 GHz Qualcomm Snapdragon 805 (APQ8084) ?
RAM ? ? 3 GB ?
Storage ? raw hardware 512 MB 32 GB ? raw hardware
Main Camera 1 megapixel 3 megapixel 16 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) VGA (640 x 480) 4K UHD QVGA (320 x 240)
Front Camera - Yes 4 megapixel -
Weight 4.66 oz
(132g)
3.31 oz
(94g)
6.14 oz
(174g)
3.95 oz
(112g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
5.96" x 3.24" x 0.33"
(151 x 82 x 8.3 mm)
4.41" x 2.09" x 0.55"
(112 x 53 x 14 mm)
Form Factor Clamshell Slab Slab Slide
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 3) LTE (Cat 4) HSPA 7.2
Features 
Fingerprint Reader - - Yes -
Flashlight - - Yes -
GPS / Location Yes n/a n/a Yes
Ruggedized Yes - - -
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes -
MirrorLink - - Yes -
Mobile Hotspot - n/a n/a -
NFC - - Yes -
USB Yes Yes Yes Yes
Micro-USB
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing - n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Text Keyboard, Hardware - - - Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a Yes
Instant Messaging Yes n/a n/a Yes
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player Yes n/a n/a Yes
Photo & Video
DLNA - - Yes -
TV Output - - Yes -
Power
Fast Charging - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a Yes
Voice
HD Voice - - Yes -
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes Yes
  Samsung Rugby A837 Coolpad Quattro 4G Samsung Galaxy Note Edge (GSM) Samsung Gravity TXT
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Phone Samsung Rugby A837 Coolpad Quattro 4G Samsung Galaxy Note Edge (GSM) Samsung Gravity TXT

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