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Phone Ericsson R520 Kyocera KX12 Motorola Moto z4 Motorola i530 Nokia Lumia 810
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6.4" diag.
19.5 : 9
? 4.3" diag.
5 : 3
Display Resolution & Type ? 128 x 128 pixels
LCD (STN)
1080 x 2340 pixels
(~403 ppi)
AMOLED
? 480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? ?
Battery ? 1,800 mAh 3,600 mAh ? 1,800 mAh
Processor ? ? 2 GHz Qualcomm Snapdragon 675 ? 1.5 GHz Qualcomm Snapdragon
RAM ? ? 4 GB ? 1 GB
Storage ? raw hardware ? raw hardware 128 GB ? raw hardware 8 GB
Main Camera - - 48 megapixel - 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD - 1080p HD
Front Camera - - 25 megapixel - 1 megapixel
Weight 4.23 oz
(120g)
4.62 oz
(131g)
6 oz
(170g)
5.5 oz
(156g)
5.11 oz
(145g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
3.7" x 2.13" x 1.26"
(94 x 54 x 32 mm)
5" x 2.69" x 0.44"
(127 x 68 x 11.2 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Windows
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

iDEN: 800

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT LTE (Cat 12) - HSPA+ 42
Features 
Fingerprint Reader - - Yes - -
Flashlight - Yes Yes - -
GPS / Location - Yes n/a Yes n/a
Ruggedized - Yes - Yes -
Water-Resistant - - Yes - -
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
HSP, Sync, OPP, DUN
- Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) Yes - - - -
Mobile Hotspot - - n/a - n/a
NFC - - Yes - Yes
USB - - Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID - Yes n/a - n/a
Ringer ID - Yes n/a Yes n/a
Voice Dialing Yes Yes n/a Yes n/a
Customization
Custom Graphics - Yes n/a - n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - - n/a - n/a
Data & Network
Data Tethering Yes Yes n/a Yes n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - - n/a - n/a
EMS / Picture Messaging - Yes n/a - n/a
MMS - - n/a - n/a
Text Messaging Templates Yes Yes n/a - n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - - n/a - n/a
Power
Fast Charging - - Yes - -
Wireless Charging - - - - Yes
Productivity
Alarm Yes Yes n/a - n/a
Calculator Yes Yes n/a - n/a
Calendar Yes Yes n/a - n/a
Voice Memo Yes Yes n/a Yes n/a
Software
BREW - Yes * n/a - n/a
Games Yes Yes n/a - n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a Yes n/a
Push-To-Talk - Yes - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Ericsson R520 Kyocera KX12 Motorola Moto z4 Motorola i530 Nokia Lumia 810
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Kyocera KX12 Motorola Moto z4 Motorola i530 Nokia Lumia 810

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