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Phone Nokia Lumia 521 / 520 BLU Life One X3 Sharp Sidekick LX 2009 BlackBerry Q10 (GSM) Sony Xperia XZs
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
5.5" diag.
16 : 9
3.2" diag.
16 : 9
3.1" diag.
1 : 1
5.2" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
720 x 720 pixels
(~328 ppi)
AMOLED
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 1,430 mAh 5,000 mAh 1,250 mAh 2,100 mAh 2,900 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 1.3 GHz MediaTek 6753 ? 1.5 GHz Qualcomm Snapdragon S4 2.2 GHz Qualcomm Snapdragon 820 (MSM8996)
RAM 512 MB 3 GB ? 2 GB 4 GB
Storage 8 GB 32 GB ? raw hardware 16 GB 64 GB
Main Camera 5 megapixel 13 megapixel 3 megapixel 8 megapixel 19 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD QVGA (320 x 240) 1080p HD 4K UHD
Front Camera - 13 megapixel - 2 megapixel 13 megapixel
Weight 4.39 oz
(124g)
6.42 oz
(182g)
5.78 oz
(164g)
4.9 oz
(139g)
5.68 oz
(161g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
6.02" x 2.97" x 0.35"
(153 x 75 x 8.9 mm)
5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
4.71" x 2.63" x 0.41"
(120 x 67 x 10.3 mm)
5.75" x 2.83" x 0.32"
(146 x 72 x 8.1 mm)
Form Factor Slab Slab Swivel Slab Slab
Platform / OS Windows Android (proprietary) BlackBerry 10 Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 LTE (Cat 4) HSPA 7.2 LTE (Cat 3) LTE (Cat 9)
Features 
Barometer - - - - Yes
Fingerprint Reader - Yes
stand-alone
- - Yes *
stand-alone
Flashlight - Yes - - Yes
GPS / Location n/a n/a Yes n/a n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a n/a Yes n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a - n/a n/a
NFC - - - Yes Yes
USB Yes Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
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
Dual-SIM - Yes - - Yes
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 Yes
Memory
Memory Card Slot Yes 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
Text Messaging Templates n/a n/a Yes n/a n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes Yes
Music Player n/a n/a Yes n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - Yes Yes
Miracast - - - - Yes
TV Output - - - Yes -
Power
Fast Charging - Yes - - 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
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia Lumia 521 / 520 BLU Life One X3 Sharp Sidekick LX 2009 BlackBerry Q10 (GSM) Sony Xperia XZs
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 BLU Life One X3 Sharp Sidekick LX 2009 BlackBerry Q10 (GSM) Sony Xperia XZs

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