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Phone Nokia Lumia 521 / 520 Samsung Galaxy S6 edge (GSM) LG K30 2018 (GSM) Sony Ericsson K850 LG Spectrum
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
5.1" diag.
16 : 9
5.3" diag.
16 : 9
2.2" diag.
4 : 3
4.5" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 1,430 mAh 2,600 mAh 2,880 mAh ? 1,830 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 2.1 GHz Samsung Exynos 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? 1.5 GHz Qualcomm Snapdragon S3
RAM 512 MB 3 GB 2 GB ? 1 GB
Storage 8 GB 32 GB * 32 GB * ? raw hardware 4 GB
Main Camera 5 megapixel 16 megapixel 13 megapixel 5 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 4K UHD 1080p HD ? 1080p HD
Front Camera - 5 megapixel 5 megapixel - 1 megapixel
Weight 4.39 oz
(124g)
4.66 oz
(132g)
5.93 oz
(168g)
4.2 oz
(119g)
4.99 oz
(141g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.59" x 2.76" x 0.28"
(142 x 70 x 7 mm)
5.85" x 2.95" x 0.34"
(149 x 75 x 8.6 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5.33" x 2.71" x 0.42"
(135 x 69 x 10.7 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Windows Android Android (proprietary) Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 7, 12, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 13

CDMA: 850, 1900

GSM: 850, 1900

*

Data Technology HSPA+ 21 LTE (Cat 6) LTE (Cat 4) HSDPA 3.6 LTE (Cat 3)
Features 
Fingerprint Reader - Yes Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location n/a n/a n/a - n/a
VR-ready - Yes - - -
Accessibility
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - -
MirrorLink - Yes - - -
Mobile Hotspot n/a n/a n/a - n/a
NFC - Yes - - -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a n/a n/a Yes n/a
Ringer ID n/a n/a n/a Yes n/a
Voice Dialing n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Real-Music Ringers n/a n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a n/a Yes n/a
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes Yes - Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a n/a n/a Yes n/a
Instant Messaging n/a n/a n/a - n/a
MMS n/a n/a n/a Yes n/a
Text Messaging Templates n/a n/a n/a Yes n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Music Player n/a n/a n/a Yes n/a
Photo & Video
DLNA - Yes - - Yes
Miracast - Yes - - -
TV Output - Yes - - Yes
Video Calling n/a n/a n/a Yes * n/a
Power
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a Yes n/a
Voice Memo n/a n/a n/a Yes n/a
Software
Games n/a n/a n/a Yes n/a
Java (J2ME) n/a n/a n/a Yes n/a
Voice
HD Voice - Yes Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia Lumia 521 / 520 Samsung Galaxy S6 edge (GSM) LG K30 2018 (GSM) Sony Ericsson K850 LG Spectrum
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 Samsung Galaxy S6 edge (GSM) LG K30 2018 (GSM) Sony Ericsson K850 LG Spectrum

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