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Phone Nokia Lumia 521 / 520 Nokia 3555 Motorola ROKR Z6 Motorola V878 BlackBerry Curve 8300
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
1.8" diag.
4 : 3
? ? ?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,430 mAh ? 750 mAh ? ?
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 ? ? ? ?
RAM 512 MB ? ? ? ?
Storage 8 GB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel Yes 2 megapixel Yes 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD QCIF (176 x 144) ? ? -
Front Camera - - - - -
Weight 4.39 oz
(124g)
3.32 oz
(94g)
4.06 oz
(115g)
2.82 oz
(80g)
3.92 oz
(111g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
3.94" x 1.75" x 0.83"
(100 x 44 x 21 mm)
4.15" x 1.79" x 0.63"
(105 x 45 x 16 mm)
3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
Form Factor Slab Clamshell Slide Clamshell Slab
Platform / OS Windows (proprietary) (proprietary) (proprietary) BlackBerry OS
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 WCDMA (UMTS) EDGE GPRS EDGE
Features 
GPS / Location n/a - - - n/a
Accessibility
Adjustable Text Size n/a - - - n/a
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
Yes *
M3, T3 (mostly tele-coil compatible)
- - -
Multiple Languages n/a Yes Yes Yes n/a
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes - Yes
Mobile Hotspot n/a - - - n/a
USB Yes Yes Yes Yes Yes
Wi-Fi Yes - - - -
Contacts
Picture ID n/a Yes Yes Yes n/a
Ringer ID n/a Yes Yes Yes n/a
Voice Dialing n/a Yes - Yes n/a
Customization
Custom Graphics n/a Yes Yes Yes n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a Yes Yes - n/a
Data & Network
Data Tethering n/a - Yes Yes n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes
Capacitive
- - - -
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client n/a - Yes - n/a
EMS / Picture Messaging n/a - Yes Yes n/a
Instant Messaging n/a Yes * Yes - n/a
MMS n/a Yes Yes Yes n/a
Text Messaging Templates n/a Yes Yes - n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a Yes Yes - n/a
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes Yes n/a
To-Do List n/a Yes Yes - n/a
Voice Memo n/a Yes Yes Yes n/a
Software
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a Yes Yes Yes n/a
Voice
Headset Jack (2.5 mm) n/a Yes - - n/a
Push-To-Talk - - - - Yes *
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Nokia Lumia 521 / 520 Nokia 3555 Motorola ROKR Z6 Motorola V878 BlackBerry Curve 8300
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 Nokia 3555 Motorola ROKR Z6 Motorola V878 BlackBerry Curve 8300

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