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Phone ZTE Prelude / Avail 2 Motorola i265 Casio Exilim C721 Samsung SCH-A310
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 2.3" diag.
4 : 3
?
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (Color)
240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (Grayscale)
Display Refresh 60 Hz ? ? ?
Battery 1,500 mAh 750 mAh 920 mAh ?
Processor 1 GHz Qualcomm Snapdragon MSM7225A ? ? ?
RAM 512 MB ? ? ?
Storage 4 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel - 5 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture VGA (640 x 480) - QVGA (320 x 240) -
Front Camera - - - -
Weight 4.4 oz
(125g)
4.59 oz
(130g)
4.48 oz
(127g)
3.2 oz
(91g)
Dimensions 4.6" x 2.44" x 0.45"
(117 x 62 x 11.4 mm)
4.8" x 1.96" x 1.02"
(122 x 50 x 25.9 mm)
4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
Form Factor Slab Slab Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 1900

iDEN: 800

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology HSPA 7.2 - EVDO rA 1xRTT
Features 
Flashlight - - Yes -
GPS / Location n/a Yes Yes Yes
Ruggedized - - Yes -
Water-Resistant - - Yes -
Accessibility
Adjustable Text Size n/a - Yes -
Hearing Aid Compatible Yes - Yes -
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - Yes Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes - Yes -
USB Yes - Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a - Yes -
Ringer ID n/a Yes Yes -
Voice Dialing n/a Yes Yes Yes
Customization
Changeable Body Plates - - - Yes
Custom Graphics n/a Yes Yes -
Custom Ringtones n/a Yes Yes -
Real-Music Ringers n/a - Yes -
Data & Network
Data Tethering n/a Yes Yes Yes
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes - - -
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a - - -
EMS / Picture Messaging n/a - Yes -
Instant Messaging n/a - Yes -
MMS n/a Yes Yes -
Text Messaging Templates n/a Yes Yes -
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a - Yes -
Productivity
Alarm n/a - Yes -
Calculator n/a Yes Yes -
Calendar n/a Yes Yes Yes
To-Do List n/a - Yes -
Voice Memo n/a Yes Yes Yes
Software
BREW n/a - Yes -
Games n/a Yes Yes Yes
Java (J2ME) n/a Yes - -
Voice
Headset Jack (2.5 mm) n/a Yes - Yes
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes -
  ZTE Prelude / Avail 2 Motorola i265 Casio Exilim C721 Samsung SCH-A310
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Phone ZTE Prelude / Avail 2 Motorola i265 Casio Exilim C721 Samsung SCH-A310

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