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Phone Samsung SCH-A990 Samsung SGH-A157 AT&T Vista Kyocera 3225 Coolpad Illumina / Legacy Go
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.8" diag.
4 : 3
5.5" diag.
18 : 9
? 5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 1,000 mAh 800 mAh 2,450 mAh ? 2,150 mAh
Processor ? ? 2 GHz MediaTek Helio A22 (MT6761V) ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909-6)
RAM ? ? 3 GB ? 1 GB
Storage ? raw hardware 256 MB 32 GB ? raw hardware 8 GB
Main Camera 3 megapixel - 8 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - 1080p HD - 1080p HD
Front Camera - - 5 megapixel - 2 megapixel
Weight 4.4 oz
(125g)
2.99 oz
(85g)
5.51 oz
(156g)
4.23 oz
(120g)
4.9 oz
(139g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
5.8" x 2.89" x 0.39"
(147 x 73 x 9.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41

CDMA: 800, 850, 1900

Data Technology EVDO r0 ? LTE (Cat 4) 1xRTT LTE (Cat 4)
Features 
Flashlight Yes - Yes - Yes
GPS / Location Yes Yes n/a Yes n/a
Accessibility
Adjustable Text Size - Yes n/a - n/a
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
-
Yes
Classic Audio
USB Yes Yes
Micro-USB
Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - Yes - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a - n/a
Ringer ID Yes Yes n/a - n/a
Voice Dialing Yes - n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers Yes Yes n/a - n/a
Data & Network
Data Tethering Yes - n/a Yes n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes - Yes - Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
EMS / Picture Messaging Yes - n/a Yes n/a
MMS Yes Yes n/a - n/a
Text Messaging Templates Yes Yes n/a - n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes - n/a - n/a
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - -
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List - Yes n/a - n/a
Voice Memo Yes Yes n/a - n/a
Software
BREW Yes - n/a Yes n/a
Games Yes - n/a Yes n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) - - n/a Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SCH-A990 Samsung SGH-A157 AT&T Vista Kyocera 3225 Coolpad Illumina / Legacy Go
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Phone Samsung SCH-A990 Samsung SGH-A157 AT&T Vista Kyocera 3225 Coolpad Illumina / Legacy Go

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