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Phone Motorola V878 Nokia 2651 BlackBerry Curve 8300 Apple iPhone 4 (GSM) Samsung SGH-A157
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 3.5" diag.
5 : 3
1.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
320 x 240 pixels
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery ? 760 mAh ? ? 800 mAh
Processor ? ? ? Apple A4 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB * 256 MB
Main Camera Yes - 2 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - 720p HD -
Front Camera - - - Yes -
Weight 2.82 oz
(80g)
3.4 oz
(96g)
3.92 oz
(111g)
4.8 oz
(136g)
2.99 oz
(85g)
Dimensions 3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) BlackBerry OS iOS (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS GPRS EDGE HSPA 7.2 ?
Features 
GPS / Location - - n/a n/a Yes
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible - - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - Yes - Yes
Connectivity
Bluetooth - - Yes Yes -
Mobile Hotspot - - n/a n/a -
USB Yes - Yes Yes Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 b,g,n)
-
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 - - 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 -
Text Keyboard, Hardware - - Yes - -
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging Yes Yes n/a n/a -
Instant Messaging - - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates - - n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - - n/a n/a -
Photo & Video
TV Output - - - 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 - - n/a n/a Yes
Voice Memo Yes - n/a n/a Yes
Software
Games Yes Yes n/a n/a -
Java (J2ME) Yes Yes n/a n/a -
Voice
Push-To-Talk - - Yes * - -
Speaker Phone - - Yes Yes Yes
  * Some versions only
  Motorola V878 Nokia 2651 BlackBerry Curve 8300 Apple iPhone 4 (GSM) Samsung SGH-A157
  X > < X > < X > < X > < X

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Phone Motorola V878 Nokia 2651 BlackBerry Curve 8300 Apple iPhone 4 (GSM) Samsung SGH-A157

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