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Phone Samsung SCH-R211 Samsung SGH-A657 BlackBerry 7750
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 1.5" diag.
1 : 1
? ?
Display Resolution & Type 128 x 128 pixels
(~121 ppi)
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh ? ? ?
Battery 800 mAh 1,420 mAh ?
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - - -
Wide Camera - - -
Tele Camera - - -
Video Capture - - -
Front Camera - - -
Weight 2.73 oz
(77g)
4.34 oz
(123g)
5.01 oz
(142g)
Dimensions 4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slab Slab Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS
Network Bands

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT HSDPA 3.6 1xRTT
Features 
Flashlight - Yes -
GPS / Location Yes Yes n/a
Ruggedized - Yes -
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- -
Multiple Languages Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes
Alerts
Ringer Profiles - - Yes
Connectivity
Bluetooth - Yes -
USB - Yes Yes
Contacts
Picture ID Yes Yes n/a
Ringer ID Yes Yes n/a
Customization
Custom Graphics Yes Yes n/a
Custom Ringtones Yes Yes n/a
Real-Music Ringers - 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
Memory
Memory Card Slot - Yes -
Messaging
Email Client - Yes n/a
Instant Messaging - Yes n/a
MMS - Yes n/a
Text Messaging Templates Yes Yes n/a
Music
Music Player - 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 n/a
Software
BREW Yes - n/a
Games Yes Yes n/a
Java (J2ME) - Yes n/a
Voice
Headset Jack (2.5 mm) Yes - n/a
Push-To-Talk - Yes -
Speaker Phone Yes Yes -
  Samsung SCH-R211 Samsung SGH-A657 BlackBerry 7750
  X > < X > < X

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Phone Samsung SCH-R211 Samsung SGH-A657 BlackBerry 7750

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