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Phone Samsung SCH-A990 Samsung Acclaim SCH-R880 Huawei M750 Samsung SGH-A157 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 ? 3.2" diag.
5 : 3
2.8" diag.
4 : 3
1.8" diag.
4 : 3
2.6" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 1,000 mAh 1,500 mAh 1,150 mAh 800 mAh 1,770 mAh
Processor ? 800 MHz ARM-6 ? ? 1.2 GHz Qualcomm Snapdragon 215
RAM ? ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 256 MB 16 GB
Main Camera 3 megapixel 3 megapixel 1 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? CIF (352 x 288) - - 720p HD
Front Camera - - - - -
Weight 4.4 oz
(125g)
4.93 oz
(140g)
3.92 oz
(111g)
2.99 oz
(85g)
6.8 oz
(193g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.49" x 2.32" x 0.6"
(114 x 59 x 15.2 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.36" x 2.22" x 1.07"
(111 x 56 x 27.2 mm)
Form Factor Clamshell Slide Slab Clamshell Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5

Data Technology EVDO r0 EVDO rA 1xRTT ? LTE (Cat 4)
Features 
Barometer - - - - Yes
Flashlight Yes - - - Yes
GPS / Location Yes n/a Yes Yes Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - n/a - Yes Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes n/a - Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Mobile Hotspot - n/a - - Yes
USB Yes Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes - - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a Yes Yes Yes
Ringer ID Yes n/a Yes Yes Yes
Voice Dialing Yes n/a - - Yes
Customization
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes Yes Yes
Real-Music Ringers Yes n/a - Yes Yes
Data & Network
Data Tethering Yes n/a - - Yes
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a - Yes Yes
Side Keys Yes Yes Yes - Yes
Stylus - - Yes - -
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client - n/a Yes - Yes
EMS / Picture Messaging Yes n/a - - -
Instant Messaging - n/a Yes - -
MMS Yes n/a Yes Yes Yes
Text Messaging Templates Yes n/a Yes Yes Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player Yes n/a Yes - Yes
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - -
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List - n/a - Yes -
Voice Memo Yes n/a Yes Yes Yes
Software
BREW Yes n/a Yes - -
Games Yes n/a Yes - -
Voice
HD Voice - - - - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SCH-A990 Samsung Acclaim SCH-R880 Huawei M750 Samsung SGH-A157 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 Samsung Acclaim SCH-R880 Huawei M750 Samsung SGH-A157 Kyocera DuraXE Epic / DuraXA Equip

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