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Phone Samsung M300 ZTE Z221 Motorola Devour BlackBerry Curve 8300 Samsung Heat
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
3.1" diag.
5 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery ? 900 mAh 1,400 mAh ? 800 mAh
Processor ? ? 600 MHz Qualcomm S1 MSM7627 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware 142 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes Yes 3 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) VGA (640 x 480) - ?
Front Camera - - - - -
Weight 2.68 oz
(76g)
3.24 oz
(92g)
6.35 oz
(180g)
3.92 oz
(111g)
3.17 oz
(90g)
Dimensions 3.6" x 1.9" x 0.7"
(91 x 48 x 17.8 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.55" x 2.4" x 0.61"
(116 x 61 x 15.4 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
3.6" x 1.8" x 0.6"
(91 x 46 x 15.2 mm)
Form Factor Clamshell Clamshell Slide Slab Slide
Platform / OS (proprietary) (proprietary) Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT HSDPA 3.6 EVDO rA EDGE EVDO r0
Features 
GPS / Location Yes Yes n/a n/a Yes
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
USB Yes Yes Yes
Micro-USB
Yes Yes
Wi-Fi - - Yes
802.11 b,g
- -
Contacts
Picture ID Yes - n/a n/a Yes
Ringer ID Yes - n/a n/a Yes
Voice Dialing Yes - n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a Yes
Data & Network
Data Tethering Yes - n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - Yes n/a n/a -
Instant Messaging - Yes n/a n/a -
MMS - Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - - n/a n/a Yes
Photo & Video
DLNA - - Yes - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a -
Voice
Headset Jack (2.5 mm) Yes - n/a n/a -
Push-To-Talk - - - Yes * -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung M300 ZTE Z221 Motorola Devour BlackBerry Curve 8300 Samsung Heat
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Phone Samsung M300 ZTE Z221 Motorola Devour BlackBerry Curve 8300 Samsung Heat

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