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Phone Samsung SCH-A990 Coolpad Quattro 4G Kyocera DuraForce Ericsson T66 Kyocera DuraXE Epic / DuraXA Equip
Current U.S. Carriers (none) (none) (none) (none) US Cellular
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
4.5" diag.
16 : 9
? 2.6" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
? 240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,000 mAh 1,600 mAh 3,100 mAh ? 1,770 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) ? 1.2 GHz Qualcomm Snapdragon 215
RAM ? ? 2 GB ? 2 GB
Storage ? raw hardware 512 MB 16 GB ? raw hardware 16 GB
Main Camera 3 megapixel 3 megapixel 8 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? VGA (640 x 480) 1080p HD - 720p HD
Front Camera - Yes 2 megapixel - -
Weight 4.4 oz
(125g)
3.31 oz
(94g)
7.06 oz
(200g)
2.08 oz
(59g)
6.8 oz
(193g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.36" x 2.22" x 1.07"
(111 x 56 x 27.2 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

4G LTE: 1, 2, 4, 5, 7, 17

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 66

WCDMA: 1, 2, 4, 5

Data Technology EVDO r0 LTE (Cat 3) LTE (Cat 3) - LTE (Cat 4)
Features 
Barometer - - - - Yes
Flashlight Yes - Yes - Yes
GPS / Location Yes n/a n/a - Yes
Ruggedized - - Yes - Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - n/a n/a - Yes
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes - - - Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes - Yes
Mobile Hotspot - n/a n/a - Yes
NFC - - Yes - -
USB Yes Yes Yes
Micro-USB
- Yes
USB Type C
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a n/a - Yes
Ringer ID Yes n/a n/a - Yes
Voice Dialing Yes n/a n/a - Yes
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers Yes n/a n/a - Yes
Data & Network
Data Tethering Yes n/a n/a - Yes
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging Yes n/a n/a Yes -
Instant Messaging - n/a n/a - -
MMS Yes n/a n/a - Yes
Text Messaging Templates Yes n/a n/a Yes Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player Yes n/a n/a - Yes
Stereo Speakers Yes - Yes - -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output Yes - - - -
Power
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List - n/a n/a Yes -
Voice Memo Yes n/a n/a - Yes
Software
BREW Yes n/a n/a - -
Games Yes n/a n/a Yes -
Voice
HD Voice - - - - Yes
Push-To-Talk - - Yes * - Yes
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung SCH-A990 Coolpad Quattro 4G Kyocera DuraForce Ericsson T66 Kyocera DuraXE Epic / DuraXA Equip
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Coolpad Quattro 4G Kyocera DuraForce Ericsson T66 Kyocera DuraXE Epic / DuraXA Equip

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