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Phone LG VX-8550 Chocolate Siemens SX1 BlackBerry KEYone Nokia Lumia 521 / 520 Nokia E90
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.5" diag.
5 : 3
4" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
800 x 352 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh 1,000 mAh 3,505 mAh 1,430 mAh 1,500 mAh
Processor ? ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) 1 GHz Qualcomm Snapdragon S4 MSM8270 332 MHz ARM 11
RAM ? ? 3 GB 512 MB ?
Storage ? raw hardware ? raw hardware 32 GB 8 GB ? raw hardware
Main Camera 1 megapixel Yes 12 megapixel 5 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) QCIF (176 x 144) 4K UHD 720p HD VGA (640 x 480)
Front Camera - - 8 megapixel - -
Weight 3.24 oz
(92g)
4.09 oz
(116g)
6.35 oz
(180g)
4.39 oz
(124g)
7.41 oz
(210g)
Dimensions 3.85" x 1.87" x 0.67"
(98 x 47 x 17 mm)
4.29" x 2.2" x 0.75"
(109 x 56 x 19.1 mm)
5.87" x 2.85" x 0.37"
(149 x 72 x 9.4 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.2" x 2.24" x 0.79"
(132 x 57 x 20.1 mm)
Form Factor Slide Slab Slab Slab Clamshell
Platform / OS (proprietary) S60 (Symbian) Android Windows S60 (Symbian)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 29, 30, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 GPRS LTE (Cat 6) HSPA+ 21 HSDPA 3.6
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location Yes n/a n/a n/a n/a
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - Yes
Mobile Hotspot - n/a n/a n/a n/a
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
Yes Yes
Mini-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing Yes n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - Yes Yes - Yes
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes n/a n/a n/a n/a
Photo & Video
Miracast - - Yes - -
Video Calling - n/a n/a n/a n/a
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
BREW Yes n/a n/a n/a n/a
Games Yes n/a n/a n/a n/a
Java (J2ME) - n/a n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes n/a n/a n/a n/a
Push-To-Talk - - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG VX-8550 Chocolate Siemens SX1 BlackBerry KEYone Nokia Lumia 521 / 520 Nokia E90
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG VX-8550 Chocolate Siemens SX1 BlackBerry KEYone Nokia Lumia 521 / 520 Nokia E90

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