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Phone Samsung SGH-D307 Ericsson T39 BlackBerry Curve 8300 Samsung SCH-A610
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
320 x 240 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? ? ? 1,300 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 2 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - - -
Front Camera - - - -
Weight 4.3 oz
(122g)
3.03 oz
(86g)
3.92 oz
(111g)
4.23 oz
(120g)
Dimensions 3.7" x 1.9" x 0.85"
(94 x 48 x 21.6 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
Form Factor Clamshell Flip Slab Clamshell
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

GSM: 850, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EDGE GPRS EDGE 1xRTT
Features 
GPS / Location - - n/a Yes
Accessibility
Adjustable Text Size - - n/a -
Hearing Aid Compatible Yes - - -
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display Yes - - -
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - Yes - -
USB Yes - Yes -
Contacts
Picture ID Yes - n/a Yes
Ringer ID Yes - n/a Yes
Voice Dialing Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers Yes - n/a -
Data & Network
Data Tethering Yes Yes n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes -
Memory
Memory Card Slot - - Yes -
Messaging
Email Client Yes - n/a -
EMS / Picture Messaging Yes - n/a Yes
Instant Messaging - - n/a -
MMS Yes - n/a Yes
Text Messaging Templates Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - - n/a -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List Yes - n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW - - n/a Yes
Games Yes Yes n/a Yes
Java (J2ME) Yes - n/a -
Voice
Headset Jack (2.5 mm) - - n/a Yes
Push-To-Talk - - Yes * -
Speaker Phone Yes - Yes -
  * Some versions only
  Samsung SGH-D307 Ericsson T39 BlackBerry Curve 8300 Samsung SCH-A610
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-D307 Ericsson T39 BlackBerry Curve 8300 Samsung SCH-A610

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