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Phone Samsung SCH-A570 Ericsson T39 BlackBerry 7750
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? ?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
?
LCD (Grayscale)
240 x 240 pixels
LCD (Color)
Display Refresh ? ? ?
Battery ? ? ?
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - - -
Wide Camera - - -
Tele Camera - - -
Video Capture - - -
Front Camera - - -
Weight 3.6 oz
(102g)
3.03 oz
(86g)
5.01 oz
(142g)
Dimensions 3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Clamshell Flip Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT GPRS 1xRTT
Features 
GPS / Location Yes - n/a
Accessibility
Multiple Languages Yes Yes n/a
TTY/TDD (Digital) Yes - Yes
Alerts
Extra Display Yes - -
Ringer Profiles - Yes Yes
Connectivity
Bluetooth - Yes -
Infrared (IR) - Yes -
USB - - Yes
Contacts
Voice Dialing Yes Yes n/a
Customization
Custom Graphics Yes Yes n/a
Custom Ringtones Yes Yes n/a
Data & Network
Data Tethering - Yes n/a
WAP / Web Browser Yes Yes n/a
Input
Predictive Text Entry Yes Yes n/a
Side Keys Yes Yes Yes
Text Keyboard, Hardware - - Yes
Messaging
Email Client - - n/a
EMS / Picture Messaging Yes - n/a
Text Messaging Templates Yes Yes n/a
Productivity
Alarm Yes Yes n/a
Calculator Yes Yes n/a
Calendar Yes Yes n/a
To-Do List Yes - n/a
Voice Memo Yes Yes n/a
Software
BREW Yes - n/a
Games Yes Yes n/a
Java (J2ME) - - n/a
Voice
Headset Jack (2.5 mm) Yes - n/a
  Samsung SCH-A570 Ericsson T39 BlackBerry 7750
  X > < X > < X

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

 
Phone Samsung SCH-A570 Ericsson T39 BlackBerry 7750

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