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Phone BlackBerry 6510 Kyocera 2135 Ericsson T39 Siemens CF75 Ericsson T28 World
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 160 x 100 pixels ? ?
LCD (Grayscale)
128 x 160 pixels
LCD (STN)
?
Display Refresh ? ? ? ? ?
Battery 900 mAh 925 mAh ? 600 mAh 500 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - -
Front Camera - - - - -
Weight 5.64 oz
(160g)
4.7 oz
(133g)
3.03 oz
(86g)
3.17 oz
(90g)
3.14 oz
(89g)
Dimensions 4.53" x 2.95" x 0.95"
(115 x 75 x 24.1 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
Form Factor Slab Slab Flip Clamshell Flip
Platform / OS BlackBerry OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

iDEN: 800

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1900

Data Technology - - GPRS EDGE -
Features 
Accessibility
Multiple Languages n/a Yes Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes - Yes - Yes
Connectivity
Bluetooth - - Yes
HSP, DUN, OPP, Sync
- -
Infrared (IR) - - Yes Yes -
USB Yes
Mini-USB
- - Yes -
Contacts
Voice Dialing n/a - Yes - Yes
Customization
Changeable Body Plates - Yes - - -
Custom Graphics n/a - Yes Yes -
Custom Ringtones n/a Yes Yes Yes Yes
Data & Network
Data Tethering n/a Yes 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
Text Keyboard, Hardware Yes - - - -
Messaging
Email Client n/a - - Yes -
EMS / Picture Messaging n/a - - Yes -
MMS n/a - - Yes -
Text Messaging Templates n/a Yes Yes Yes -
Productivity
Alarm n/a Yes Yes Yes Yes
Calculator n/a Yes Yes Yes Yes
Calendar n/a - Yes Yes -
To-Do List n/a - - Yes -
Voice Memo n/a - Yes Yes -
Software
Games n/a Yes Yes Yes Yes
Java (J2ME) n/a - - Yes -
Voice
Headset Jack (2.5 mm) n/a Yes - - -
Push-To-Talk Yes - - Yes -
Speaker Phone - - - Yes -
  BlackBerry 6510 Kyocera 2135 Ericsson T39 Siemens CF75 Ericsson T28 World
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Phone BlackBerry 6510 Kyocera 2135 Ericsson T39 Siemens CF75 Ericsson T28 World

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