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Phone Samsung Axle R311 Nokia Lumia 521 / 520 LG K40 / Harmony 3
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
4" diag.
5 : 3
5.7" diag.
18 : 9
Display Resolution & Type 176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz
Battery ? 1,430 mAh 3,000 mAh
Processor ? 1 GHz Qualcomm Snapdragon S4 MSM8270 1.8 GHz Qualcomm Snapdragon 450
RAM ? 512 MB 2 GB
Storage ? raw hardware 8 GB 32 GB
Main Camera Yes 5 megapixel 13 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - 720p HD 1080p HD
Front Camera - - 5 megapixel
Weight 3.37 oz
(96g)
4.39 oz
(124g)
5.11 oz
(145g)
Dimensions 3.54" x 1.77" x 0.77"
(90 x 45 x 19.6 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
Form Factor Clamshell Slab Slab
Platform / OS (proprietary) Windows Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT HSPA+ 21 LTE (Cat 6)
Features 
Fingerprint Reader - - Yes
stand-alone
Flashlight - - Yes
GPS / Location Yes n/a n/a
Accessibility
Hearing Aid Compatible Yes Yes Yes
Multiple Languages Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes
Alerts
Extra Display Yes - -
Connectivity
Bluetooth Yes Yes Yes
Mobile Hotspot - n/a n/a
NFC - - Yes *
USB - Yes Yes
Micro-USB
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a
Ringer ID Yes n/a n/a
Voice Dialing Yes n/a n/a
Customization
Custom Graphics Yes n/a n/a
Custom Ringtones Yes n/a n/a
Real-Music Ringers Yes n/a n/a
Data & Network
Data Tethering Yes n/a n/a
WAP / Web Browser Yes n/a n/a
Input
Predictive Text Entry Yes n/a n/a
Side Keys Yes Yes Yes
Touch Screen - Yes Yes
Memory
Memory Card Slot - Yes Yes
Messaging
Email Client - n/a n/a
Instant Messaging - n/a n/a
MMS Yes n/a n/a
Text Messaging Templates Yes n/a n/a
Music
FM Radio - - Yes
Headphone Jack (3.5mm) - Yes Yes
Music Player - n/a n/a
Photo & Video
DLNA - - Yes
Productivity
Alarm Yes n/a n/a
Calculator Yes n/a n/a
Calendar Yes n/a n/a
To-Do List - n/a n/a
Voice Memo Yes n/a n/a
Software
BREW Yes n/a n/a
Games Yes n/a n/a
Voice
HD Voice - - Yes
Speaker Phone Yes Yes Yes
  * Some versions only
  Samsung Axle R311 Nokia Lumia 521 / 520 LG K40 / Harmony 3
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Axle R311 Nokia Lumia 521 / 520 LG K40 / Harmony 3

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