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Phone LG Stylo 4 Samsung Galaxy S6 (GSM) Casio G'zOne Boulder ZTE Z221 NEC 525
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
18 : 9
5.1" diag.
16 : 9
2" diag.
4 : 3
2" diag.
4 : 3
?
Display Resolution & Type 1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
162 x 216 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 3,300 mAh 2,550 mAh 810 mAh 900 mAh 800 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 2.1 GHz Samsung Exynos 7420 ? ? ?
RAM 2 GB * 3 GB ? ? ?
Storage 32 GB * 32 GB * ? raw hardware 142 MB ? raw hardware
Main Camera 13 megapixel 16 megapixel 1 megapixel Yes Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 4K UHD ? QCIF (176 x 144) -
Front Camera 5 megapixel 5 megapixel - - -
Weight 6.07 oz
(172g)
4.87 oz
(138g)
4.9 oz
(139g)
3.24 oz
(92g)
4.03 oz
(114g)
Dimensions 6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
Form Factor Slab Slab Clamshell Clamshell Clamshell
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 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

*

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 6) EVDO rA HSDPA 3.6 GPRS
Features 
Fingerprint Reader Yes
stand-alone
Yes - - -
Flashlight Yes Yes Yes - -
GPS / Location n/a n/a Yes Yes -
Ruggedized - - Yes - -
VR-ready - Yes - - -
Water-Resistant - - Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes Yes Yes
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - Yes - - Yes
MirrorLink - Yes - - -
NFC Yes * Yes - - -
USB Yes
USB Type C
Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID n/a n/a Yes - Yes
Ringer ID n/a n/a Yes - Yes
Voice Dialing n/a n/a Yes - Yes
Customization
Changeable Body Plates - - Yes - -
Custom Graphics n/a n/a Yes Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Real-Music Ringers n/a n/a - Yes -
Data & Network
Data Tethering n/a n/a Yes - Yes
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Stylus Yes - - - -
Touch Screen Yes Yes - - -
Memory
Memory Card Slot Yes - Yes - -
Messaging
Email Client n/a n/a - Yes Yes
EMS / Picture Messaging n/a n/a Yes - Yes
Instant Messaging n/a n/a - Yes -
MMS n/a n/a Yes Yes Yes
Text Messaging Templates n/a n/a Yes Yes -
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes Yes - - -
Music Player n/a n/a Yes - -
Photo & Video
DLNA Yes Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a - - Yes
Voice Memo n/a n/a Yes Yes Yes
Software
BREW n/a n/a Yes - -
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a - Yes Yes
Voice
HD Voice Yes Yes - - -
Headset Jack (2.5 mm) n/a n/a - - Yes
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  LG Stylo 4 Samsung Galaxy S6 (GSM) Casio G'zOne Boulder ZTE Z221 NEC 525
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Stylo 4 Samsung Galaxy S6 (GSM) Casio G'zOne Boulder ZTE Z221 NEC 525

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