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Phone Bold N2 Coolpad Defiant Motorola Sidekick Slide BlackBerry Curve 8330 Nokia Lumia 521 / 520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.6" diag.
19.5 : 9
5" diag.
16 : 9
? ? 4" diag.
5 : 3
Display Resolution & Type 1080 x 2340 pixels
(~390 ppi)
AMOLED
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 4,200 mAh 2,450 mAh ? 1,150 mAh 1,430 mAh
Processor 2.4 GHz MediaTek Dimensity 810 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 225 MHz TI OMAP 850 ? 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM 8 GB 1 GB ? ? 512 MB
Storage 256 GB 8 GB ? raw hardware ? raw hardware 8 GB
Main Camera 64 megapixel 5 megapixel 1 megapixel 2 megapixel 5 megapixel
Wide Camera 5 megapixel - - - -
Tele Camera - - - - -
Video Capture 2K / Quad HD 720p HD - ? 720p HD
Front Camera 16 megapixel 2 megapixel - - -
Weight 7.2 oz
(204g)
6.5 oz
(184g)
5.3 oz
(150g)
4.02 oz
(114g)
4.39 oz
(124g)
Dimensions 6.64" x 3.02" x 0.35"
(169 x 77 x 8.9 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
4.2" x 2.4" x 0.6"
(107 x 61 x 15.2 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS Android Android (proprietary) BlackBerry OS Windows
Network Bands

5G: 2, 5, 25, 41, 66, 71, 77-C

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology NR (5G) LTE (Cat 4) EDGE EVDO r0 HSPA+ 21
Features 
Fingerprint Reader Yes
in-display (optical)
- - - -
Flashlight Yes Yes - - -
GPS / Location n/a n/a - n/a n/a
Accessibility
Adjustable Text Size n/a n/a Yes n/a n/a
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages n/a n/a - n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Mobile Hotspot n/a n/a - n/a n/a
USB Yes
USB Type C
Yes
Micro-USB
Yes Yes
Mini-USB
Yes
Wi-Fi Yes
5 (802.11 ac,b,g,n)
Yes
4 (802.11 b,g,n)
- - Yes
Contacts
Picture ID n/a n/a Yes n/a n/a
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a - n/a n/a
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Real-Music Ringers n/a n/a Yes n/a n/a
Data & Network
Data Tethering n/a n/a - n/a n/a
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a - n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes n/a n/a
Instant Messaging n/a n/a Yes n/a n/a
MMS n/a n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player n/a n/a Yes n/a n/a
Power
Fast Charging Yes - - - -
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a - n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a Yes n/a n/a
Voice Memo n/a n/a - n/a n/a
Software
Games n/a n/a Yes n/a n/a
Java (J2ME) n/a n/a Yes n/a n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Bold N2 Coolpad Defiant Motorola Sidekick Slide BlackBerry Curve 8330 Nokia Lumia 521 / 520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Bold N2 Coolpad Defiant Motorola Sidekick Slide BlackBerry Curve 8330 Nokia Lumia 521 / 520

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