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Phone Alcatel 871a Ericsson T28 World Ericsson T39 BlackBerry 6510
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? ?
Display Resolution & Type 220 x 176 pixels
(~141 ppi)
LCD (TFT/TFD)
? ?
LCD (Grayscale)
160 x 100 pixels
Display Refresh ? ? ? ?
Battery 850 mAh 500 mAh ? 900 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage 512 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel - - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - - -
Front Camera - - - -
Weight 3.14 oz
(89g)
3.14 oz
(89g)
3.03 oz
(86g)
5.64 oz
(160g)
Dimensions 4.19" x 2.28" x 0.5"
(106 x 58 x 12.7 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
4.53" x 2.95" x 0.95"
(115 x 75 x 24.1 mm)
Form Factor Slab Flip Flip Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry OS
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1900

GSM: 900, 1800, 1900

iDEN: 800

Data Technology WCDMA (UMTS) - GPRS -
Features 
Flashlight Yes - - -
GPS / Location Yes - - n/a
Accessibility
Hearing Aid Compatible Yes - - -
Multiple Languages Yes - Yes n/a
TTY/TDD (Digital) Yes - - -
Alerts
Ringer Profiles Yes Yes Yes Yes
Connectivity
Bluetooth Yes - Yes
HSP, DUN, OPP, Sync
-
Infrared (IR) - - Yes -
USB Yes
Micro-USB
- - Yes
Mini-USB
Contacts
Picture ID Yes - - n/a
Ringer ID Yes - - n/a
Voice Dialing - Yes Yes n/a
Customization
Custom Graphics Yes - Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes - - n/a
Data & Network
Data Tethering - Yes Yes n/a
WAP / Web Browser Yes - Yes n/a
Input
Predictive Text Entry Yes - Yes n/a
Side Keys Yes Yes Yes -
Text Keyboard, Hardware Yes - - Yes
Memory
Memory Card Slot Yes - - -
Messaging
Email Client Yes - - n/a
MMS Yes - - n/a
Text Messaging Templates - - Yes n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - - -
Music Player Yes - - n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes - Yes n/a
To-Do List - - - n/a
Voice Memo Yes - Yes n/a
Software
Games Yes Yes Yes n/a
Java (J2ME) - - - n/a
Voice
Headset Jack (2.5 mm) - - - n/a
Push-To-Talk - - - Yes
Speaker Phone Yes - - -
  Alcatel 871a Ericsson T28 World Ericsson T39 BlackBerry 6510
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Phone Alcatel 871a Ericsson T28 World Ericsson T39 BlackBerry 6510

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