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Phone ZTE Engage LT / Engage MT Sanyo MM-5600 BlackBerry Curve 9350 Samsung SGH-E640 Palm Treo 650 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
? 2.4" diag.
4 : 3
? ?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,900 mAh 1,000 mAh 1,040 mAh 800 mAh ?
Processor ? ? 800 MHz Marvell ? 312 MHz Intel XScale PXA270
RAM 1 GB ? ? ? ?
Storage 4 GB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 1 megapixel 5 megapixel 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture WVGA / 480p ? VGA (640 x 480) QCIF (176 x 144) QVGA (320 x 240)
Front Camera Yes - - - -
Weight 5.09 oz
(144g)
4.52 oz
(128g)
3.49 oz
(99g)
3.17 oz
(90g)
6.3 oz
(179g)
Dimensions 4.78" x 2.54" x 0.46"
(121 x 64 x 11.7 mm)
3.66" x 1.91" x 1.04"
(93 x 49 x 26.4 mm)
4.29" x 2.36" x 0.43"
(109 x 60 x 10.9 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Slab Clamshell Slab Clamshell Slab
Platform / OS Android (proprietary) BlackBerry OS (proprietary) Palm OS
Network Bands

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 800, 850, 1900

*

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA 1xRTT EVDO rA GPRS 1xRTT
Features 
Flashlight - Yes - - -
GPS / Location n/a Yes n/a - n/a
Accessibility
Adjustable Text Size n/a - n/a - n/a
Hearing Aid Compatible - Yes Yes - -
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - - - Yes
NFC - - Yes - -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes -
Wi-Fi Yes - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes n/a
Ringer ID n/a Yes n/a Yes n/a
Voice Dialing n/a Yes n/a - n/a
Customization
Custom Graphics n/a Yes n/a Yes n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a Yes n/a Yes n/a
Data & Network
Data Tethering n/a - n/a - n/a
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client n/a - n/a Yes n/a
EMS / Picture Messaging n/a - n/a Yes n/a
Instant Messaging n/a - n/a - n/a
MMS n/a - n/a Yes n/a
Text Messaging Templates n/a - n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes n/a Yes n/a
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a Yes n/a Yes n/a
To-Do List n/a Yes n/a Yes n/a
Voice Memo n/a Yes n/a Yes n/a
Software
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a Yes n/a Yes n/a
Voice
Call Screening - Yes - - -
Headset Jack (2.5 mm) n/a Yes n/a - n/a
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  ZTE Engage LT / Engage MT Sanyo MM-5600 BlackBerry Curve 9350 Samsung SGH-E640 Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Engage LT / Engage MT Sanyo MM-5600 BlackBerry Curve 9350 Samsung SGH-E640 Palm Treo 650 (CDMA)

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