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Phone Motorola i450 / i455 Sony Ericsson J300a BlackBerry 7750 Samsung SCH-R211 Ericsson T66
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 1.5" diag.
1 : 1
?
Display Resolution & Type 130 x 130 pixels
LCD (STN)
128 x 128 pixels
LCD (STN)
240 x 240 pixels
LCD (Color)
128 x 128 pixels
(~121 ppi)
LCD (STN)
?
Display Refresh ? ? ? ? ?
Battery ? ? ? 800 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - -
Front Camera - - - - -
Weight 4.5 oz
(128g)
2.75 oz
(78g)
5.01 oz
(142g)
2.73 oz
(77g)
2.08 oz
(59g)
Dimensions 3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
3.9" x 1.68" x 0.72"
(99 x 43 x 18.3 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary) (proprietary)
Network Bands

iDEN: 800

GSM: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

Data Technology - GPRS 1xRTT 1xRTT -
Features 
GPS / Location Yes - n/a Yes -
Accessibility
Hearing Aid Compatible Yes - - Yes -
Multiple Languages Yes - n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes Yes Yes - Yes
Connectivity
USB Yes Yes Yes - -
Contacts
Picture ID Yes Yes n/a Yes -
Ringer ID Yes - n/a Yes -
Voice Dialing Yes Yes n/a - -
Customization
Changeable Body Plates - Yes - - -
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes * - n/a - -
Data & Network
Data Tethering Yes Yes n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Messaging
Email Client - Yes n/a - -
EMS / Picture Messaging - Yes n/a - Yes
MMS Yes Yes n/a - -
Text Messaging Templates Yes - n/a Yes Yes
Productivity
Alarm - Yes n/a Yes Yes
Calculator - Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a - Yes
Voice Memo Yes Yes n/a - -
Software
BREW - - n/a Yes -
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes Yes n/a - -
Voice
Headset Jack (2.5 mm) Yes - n/a Yes -
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes - Yes -
  * Some versions only
  Motorola i450 / i455 Sony Ericsson J300a BlackBerry 7750 Samsung SCH-R211 Ericsson T66
  X > < X > < X > < X > < X

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

 
Phone Motorola i450 / i455 Sony Ericsson J300a BlackBerry 7750 Samsung SCH-R211 Ericsson T66

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