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Phone Samsung SCH-A990 Samsung Galaxy S6 (GSM) HTC Desire 555 Alcatel Pop Star Motorola RIZR Z3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
5" diag.
16 : 9
4" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 1,000 mAh 2,550 mAh 2,200 mAh 2,000 mAh 780 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ?
RAM ? 3 GB 2 GB 1 GB ?
Storage ? raw hardware 32 GB * 16 GB 4 GB ? raw hardware
Main Camera 3 megapixel 16 megapixel 8 megapixel 5 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 4K UHD 720p HD 1080p HD QCIF (176 x 144)
Front Camera - 5 megapixel 5 megapixel Yes -
Weight 4.4 oz
(125g)
4.87 oz
(138g)
4.93 oz
(140g)
4.6 oz
(130g)
3.92 oz
(111g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
4.84" x 2.5" x 0.38"
(123 x 64 x 9.7 mm)
4.15" x 1.79" x 0.65"
(105 x 45 x 16.5 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 6) LTE (Cat 4) LTE (Cat 3) EDGE
Features 
Fingerprint Reader - Yes - - -
Flashlight Yes Yes Yes Yes -
GPS / Location Yes n/a n/a n/a -
VR-ready - Yes - - -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes *
M4, T4 (very tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
-
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
MirrorLink - Yes - - -
NFC - Yes - - -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Mini-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing Yes n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client - n/a n/a n/a Yes *
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a n/a Yes
Stereo Speakers Yes - - - -
Photo & Video
DLNA - Yes Yes - -
Miracast - Yes Yes - -
TV Output Yes Yes - - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
BREW Yes n/a n/a n/a -
Games Yes n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a Yes
Voice
HD Voice - Yes Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Samsung Galaxy S6 (GSM) HTC Desire 555 Alcatel Pop Star Motorola RIZR Z3
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A990 Samsung Galaxy S6 (GSM) HTC Desire 555 Alcatel Pop Star Motorola RIZR Z3

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