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Phone Ericsson T39 Coolpad Quattro 4G Ericsson T66 Pantech Swift Palm Treo 650 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
? 2.8" diag.
4 : 3
?
Display Resolution & Type ?
LCD (Grayscale)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
? 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery ? 1,600 mAh ? 1,000 mAh ?
Processor ? ? ? Qualcomm QSX6270 312 MHz Intel XScale PXA270
RAM ? ? ? ? ?
Storage ? raw hardware 512 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera - 3 megapixel - 2 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - VGA (640 x 480) - QVGA (320 x 240) CIF (352 x 288)
Front Camera - Yes - - -
Weight 3.03 oz
(86g)
3.31 oz
(94g)
2.08 oz
(59g)
6.26 oz
(177g)
6.3 oz
(179g)
Dimensions 3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.29" x 2.22" x 0.58"
(109 x 56 x 14.7 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Flip Slab Slab Slide Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Palm OS
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 3) - HSDPA 3.6 EDGE
Features 
GPS / Location - n/a - Yes n/a
Accessibility
Hearing Aid Compatible - Yes - Yes -
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) - Yes - Yes -
Alerts
Ringer Profiles Yes - Yes Yes -
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) Yes - - - Yes
Mobile Hotspot - n/a - - n/a
USB - Yes - Yes Yes
Wi-Fi - Yes - - -
Contacts
Picture ID - n/a - Yes n/a
Ringer ID - n/a - Yes n/a
Voice Dialing Yes n/a - - n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a - Yes n/a
Data & Network
Data Tethering Yes n/a - Yes n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - n/a - Yes n/a
EMS / Picture Messaging - n/a Yes - n/a
Instant Messaging - n/a - Yes n/a
MMS - n/a - Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a - Yes n/a
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List - n/a Yes Yes n/a
Voice Memo Yes n/a - Yes n/a
Software
BREW - n/a - Yes n/a
Games Yes n/a Yes Yes n/a
Voice
Headset Jack (2.5 mm) - n/a - - n/a
Speaker Phone - Yes - Yes Yes
  * Some versions only
  Ericsson T39 Coolpad Quattro 4G Ericsson T66 Pantech Swift Palm Treo 650 (GSM)
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Phone Ericsson T39 Coolpad Quattro 4G Ericsson T66 Pantech Swift Palm Treo 650 (GSM)

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