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Phone Samsung SCH-A990 BlackBerry 7750 Sanyo SCP-3810 / Mirro Coolpad Defiant BlackBerry Storm2 9550
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.4" diag.
4 : 3
5" diag.
16 : 9
3.3" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh ? 1,000 mAh 2,450 mAh 1,400 mAh
Processor ? ? ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ?
RAM ? ? ? 1 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera 3 megapixel - 1 megapixel 5 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - 720p HD ?
Front Camera - - - 2 megapixel -
Weight 4.4 oz
(125g)
5.01 oz
(142g)
3.97 oz
(112g)
6.5 oz
(184g)
5.64 oz
(160g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) BlackBerry OS (proprietary) Android BlackBerry OS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 1xRTT 1xRTT LTE (Cat 4) EVDO rA
Features 
Flashlight Yes - - Yes -
GPS / Location Yes n/a Yes n/a n/a
Accessibility
Adjustable Text Size - n/a Yes n/a n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - Yes - -
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
USB Yes Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing Yes n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a Yes n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client - n/a Yes n/a n/a
EMS / Picture Messaging Yes n/a - n/a n/a
Instant Messaging - n/a Yes n/a n/a
MMS Yes n/a - n/a n/a
Text Messaging Templates Yes n/a Yes 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
TV Output Yes - - - -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
BREW Yes n/a - n/a n/a
Games Yes n/a Yes n/a n/a
Java (J2ME) - n/a Yes n/a n/a
Voice
Headset Jack (2.5 mm) - n/a Yes n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Samsung SCH-A990 BlackBerry 7750 Sanyo SCP-3810 / Mirro Coolpad Defiant BlackBerry Storm2 9550
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A990 BlackBerry 7750 Sanyo SCP-3810 / Mirro Coolpad Defiant BlackBerry Storm2 9550

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