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Phone Ericsson T66 BlackBerry 7750 Samsung Galaxy Attain 4G BlackBerry Pearl 3G 9100 / 9105 Siemens A56 / A56i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.5" diag.
5 : 3
2.3" diag.
1 : 1
?
Display Resolution & Type ? 240 x 240 pixels
LCD (Color)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
101 x 64 pixels
Display Refresh ? ? 60 Hz ? ?
Battery ? ? 1,650 mAh 1,150 mAh 700 mAh
Processor ? ? ? ? ?
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 3 megapixel 3 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - WVGA / 480p ? -
Front Camera - - 1 megapixel - -
Weight 2.08 oz
(59g)
5.01 oz
(142g)
4.2 oz
(119g)
3.3 oz
(94g)
3 oz
(85g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) BlackBerry OS Android BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

Data Technology - 1xRTT LTE (Cat 3) HSDPA 3.6 -
Features 
GPS / Location - n/a n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a n/a n/a -
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles Yes Yes - Yes Yes
Connectivity
Bluetooth - - Yes
Classic Audio
Yes
Classic Audio
-
USB - Yes Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - - Yes Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID - n/a n/a n/a Yes
Ringer ID - n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a -
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - Yes - Yes * -
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS - n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a -
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - n/a n/a n/a -
Photo & Video
DLNA - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a -
To-Do List Yes n/a n/a n/a -
Voice Memo - n/a n/a n/a -
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a -
Voice
Headset Jack (2.5 mm) - n/a n/a n/a -
Speaker Phone - - Yes Yes -
  * Some versions only
  Ericsson T66 BlackBerry 7750 Samsung Galaxy Attain 4G BlackBerry Pearl 3G 9100 / 9105 Siemens A56 / A56i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T66 BlackBerry 7750 Samsung Galaxy Attain 4G BlackBerry Pearl 3G 9100 / 9105 Siemens A56 / A56i

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