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Phone ZTE Z222 / Z223 Palm Treo 650 (CDMA) Samsung Trender Motorola E310
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 2.8" diag.
4 : 3
?
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 900 mAh ? 1,000 mAh ?
Processor QSC6270 312 MHz Intel XScale PXA270 Qualcomm QSC6055 ?
RAM 64 MB ? ? ?
Storage 128 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes Yes 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QVGA (320 x 240) - -
Front Camera - - - -
Weight 3.24 oz
(92g)
6.3 oz
(179g)
4 oz
(113g)
3.53 oz
(100g)
Dimensions 3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
4.2" x 2.2" x 0.6"
(107 x 56 x 15.2 mm)
1.88" x 3.43" x 0.94"
(48 x 87 x 23.9 mm)
Form Factor Clamshell Slab Slide Clamshell
Platform / OS (proprietary) Palm OS (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 1900

CDMA: 850, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology HSDPA 3.6 1xRTT 1xRTT 1xRTT
Features 
GPS / Location - n/a Yes Yes
Accessibility
Hearing Aid Compatible Yes - Yes -
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - Yes
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - Yes - -
USB Yes
Micro-USB
- Yes
Micro-USB
Yes
Contacts
Picture ID Yes n/a Yes -
Ringer ID Yes n/a Yes -
Voice Dialing - n/a Yes Yes
Customization
Changeable Body Plates - - - Yes
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers Yes n/a Yes -
Data & Network
Data Tethering - n/a - Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a - Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes -
Touch Screen - Yes Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client Yes n/a Yes -
EMS / Picture Messaging - n/a - Yes
MMS Yes n/a Yes Yes
Text Messaging Templates Yes n/a - Yes
Music
FM Radio Yes * - - -
Headphone Jack (3.5mm) - - Yes -
Music Player - n/a Yes -
Productivity
Alarm Yes n/a Yes -
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List - n/a - -
Voice Memo Yes n/a - Yes
Software
BREW - n/a - Yes
Games Yes n/a - Yes
Java (J2ME) Yes n/a - -
Voice
Headset Jack (2.5 mm) - n/a - Yes
Speaker Phone Yes Yes Yes -
  * Some versions only
  ZTE Z222 / Z223 Palm Treo 650 (CDMA) Samsung Trender Motorola E310
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z222 / Z223 Palm Treo 650 (CDMA) Samsung Trender Motorola E310

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