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Phone Ericsson T66 Samsung SCH-A220 Samsung Droid Charge ZTE Groove BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.3" diag.
5 : 3
3.2" diag.
5 : 3
?
Display Resolution & Type ? 128 x 128 pixels
LCD (STN)
480 x 800 pixels
(~217 ppi)
AMOLED
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery ? ? 1,500 mAh 1,500 mAh ?
Processor ? ? 1 GHz Samsung Hummingbird 800 MHz Qualcomm MSM7627A ?
RAM ? ? ? 512 MB ?
Storage ? raw hardware ? raw hardware ? raw hardware 1 GB ? raw hardware
Main Camera - - 8 megapixel 3 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD 720p HD -
Front Camera - - 1 megapixel Yes -
Weight 2.08 oz
(59g)
3.25 oz
(92g)
5.06 oz
(144g)
4.5 oz
(128g)
5.01 oz
(142g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
2.87" x 2.09" x 0.94"
(73 x 53 x 23.9 mm)
5.1" x 2.68" x 0.46"
(130 x 68 x 11.7 mm)
4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android BlackBerry OS
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 13

CDMA: 850, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

Data Technology - 1xRTT LTE (Cat 3) EVDO rA 1xRTT
Features 
GPS / Location - Yes n/a n/a n/a
Accessibility
Hearing Aid Compatible - - Yes - -
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - - Yes - Yes
Alerts
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth - - Yes Yes -
Mobile Hotspot - - n/a n/a n/a
USB - - Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes -
Contacts
Picture ID - - n/a n/a n/a
Ringer ID - Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes 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
Instant Messaging - - n/a n/a n/a
MMS - - n/a n/a n/a
Text Messaging Templates Yes 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 - -
TV Output - - Yes - -
Video Calling - - n/a n/a n/a
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes Yes n/a n/a n/a
Voice Memo - Yes n/a n/a n/a
Software
Games Yes - n/a n/a n/a
Java (J2ME) - - n/a n/a n/a
Voice
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Speaker Phone - - Yes Yes -
  Ericsson T66 Samsung SCH-A220 Samsung Droid Charge ZTE Groove BlackBerry 7750
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Phone Ericsson T66 Samsung SCH-A220 Samsung Droid Charge ZTE Groove BlackBerry 7750

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