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Phone Samsung SCH-A770 BlackBerry 7750 Samsung Impression SGH-A877 Motorola Evoke QA4
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Not yet released Released Released Released
Specifications 
Display Size ? ? 3.2" diag.
5 : 3
2.8" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 400 pixels
(~146 ppi)
AMOLED
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,100 mAh ? 1,000 mAh 1,170 mAh
Processor ? ? ? MSM6800a
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel - 3 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - QVGA (320 x 240) ?
Front Camera - - - -
Weight ? 5.01 oz
(142g)
5.2 oz
(147g)
4.52 oz
(128g)
Dimensions ? 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
4.25" x 1.99" x 0.69"
(108 x 51 x 17.5 mm)
Form Factor Clamshell Slab Slab Slide
Platform / OS (proprietary) BlackBerry OS (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology 1xRTT 1xRTT HSDPA 3.6 EVDO rA
Features 
GPS / Location Yes n/a Yes Yes
Accessibility
Hearing Aid Compatible - - Yes Yes
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes - - -
Ringer Profiles Yes Yes Yes -
Connectivity
Bluetooth - - Yes Yes
USB - Yes Yes Yes
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing Yes n/a - Yes
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a Yes Yes
Data & Network
Data Tethering Yes n/a Yes Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes -
Touch Screen - - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client - n/a Yes Yes
Instant Messaging - n/a Yes -
MMS Yes n/a Yes -
Text Messaging Templates Yes n/a Yes -
Music
Music Player - n/a Yes Yes
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List Yes n/a Yes -
Voice Memo Yes n/a Yes -
Software
BREW Yes n/a - Yes
Games Yes n/a Yes Yes
Java (J2ME) - n/a Yes -
Voice
Call Screening Yes - - -
Headset Jack (2.5 mm) Yes n/a - -
Speaker Phone - - Yes Yes
  Samsung SCH-A770 BlackBerry 7750 Samsung Impression SGH-A877 Motorola Evoke QA4
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Phone Samsung SCH-A770 BlackBerry 7750 Samsung Impression SGH-A877 Motorola Evoke QA4

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