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Phone Samsung SCH-A990 HTC Windows Phone 8S BlackBerry 7750 Samsung SGH-P850 / P858
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
? ?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 1,700 mAh ? 950 mAh
Processor ? 1 GHz Qualcomm Snapdragon S4 ? ?
RAM ? 512 MB ? ?
Storage ? raw hardware 4 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 5 megapixel - 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 720p HD - ?
Front Camera - - - -
Weight 4.4 oz
(125g)
3.99 oz
(113g)
5.01 oz
(142g)
4.23 oz
(120g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.74" x 2.48" x 0.4"
(121 x 63 x 10.3 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Windows BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology EVDO r0 HSPA+ 21 1xRTT EDGE
Features 
Flashlight Yes Yes - -
GPS / Location Yes n/a n/a -
Accessibility
Hearing Aid Compatible Yes Yes - -
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
USB Yes Yes Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client - n/a n/a Yes
EMS / Picture Messaging Yes n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes - -
Music Player Yes n/a n/a Yes
Stereo Speakers Yes - - Yes
Photo & Video
TV Output Yes - - Yes
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a -
Voice Memo Yes n/a n/a Yes
Software
BREW Yes n/a n/a -
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
Headset Jack (2.5 mm) - n/a n/a -
Speaker Phone Yes Yes - Yes
  Samsung SCH-A990 HTC Windows Phone 8S BlackBerry 7750 Samsung SGH-P850 / P858
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 HTC Windows Phone 8S BlackBerry 7750 Samsung SGH-P850 / P858

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