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Phone Samsung SCH-A990 Samsung Nexus S 4G Samsung Galaxy S7 BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
5.1" diag.
16 : 9
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
Display Refresh ? 60 Hz 60 Hz ?
Battery 1,000 mAh 1,500 mAh 3,000 mAh ?
Processor ? 1 GHz Samsung Hummingbird Cortex A8 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ?
RAM ? ? 4 GB ?
Storage ? raw hardware 16 GB 32 GB ? raw hardware
Main Camera 3 megapixel 5 megapixel 12 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? WVGA / 480p 4K UHD -
Front Camera - Yes 5 megapixel -
Weight 4.4 oz
(125g)
4.62 oz
(131g)
5.36 oz
(152g)
5.01 oz
(142g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.88" x 2.48" x 0.44"
(124 x 63 x 11.2 mm)
5.61" x 2.74" x 0.31"
(142 x 70 x 7.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Android BlackBerry OS
Network Bands

CDMA: 850, 1900

4G WiMAX: 41

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology EVDO r0 WiMAX LTE (Cat 9) 1xRTT
Features 
Fingerprint Reader - - Yes -
Flashlight Yes - Yes -
GPS / Location Yes n/a n/a n/a
VR-ready - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4 (very compatible)
Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes -
MirrorLink - - Yes -
Mobile Hotspot - n/a n/a n/a
NFC - Yes Yes -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
Dual-SIM - - Yes -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client - n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - Yes Yes -
Music Player Yes n/a n/a n/a
Stereo Speakers Yes - - -
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
TV Output Yes - - -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
BREW Yes n/a n/a n/a
Games Yes n/a n/a n/a
Java (J2ME) - n/a n/a n/a
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) - n/a n/a n/a
Speaker Phone Yes Yes Yes -
  Samsung SCH-A990 Samsung Nexus S 4G Samsung Galaxy S7 BlackBerry 7750
  X > < X > < X > < X

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

 
Phone Samsung SCH-A990 Samsung Nexus S 4G Samsung Galaxy S7 BlackBerry 7750

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