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Phone LG Stylo 4 Apple iPhone 4 (CDMA) Samsung SGH-X820 Samsung SCH-A570 Samsung Galaxy S6 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
18 : 9
3.5" diag.
5 : 3
? ? 5.1" diag.
16 : 9
Display Resolution & Type 1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1440 x 2560 pixels
(~576 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? ? 60 Hz
Battery 3,300 mAh ? 650 mAh ? 2,550 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 ? ? ? 2.1 GHz Samsung Exynos
RAM 2 GB * ? ? ? 3 GB
Storage 32 GB * 8 GB * ? raw hardware ? raw hardware 32 GB *
Main Camera 13 megapixel 5 megapixel 2 megapixel - 16 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 720p HD ? - 4K UHD
Front Camera 5 megapixel Yes - - 5 megapixel
Weight 6.07 oz
(172g)
4.8 oz
(136g)
2.33 oz
(66g)
3.6 oz
(102g)
4.87 oz
(138g)
Dimensions 6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS Android iOS (proprietary) (proprietary) Android
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

*

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 6) EVDO rA EDGE 1xRTT LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - - Yes
Flashlight Yes - - - Yes
GPS / Location n/a n/a - Yes n/a
VR-ready - - - - Yes
Accessibility
Adjustable Text Size n/a n/a - - n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages n/a n/a Yes Yes n/a
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display - - - Yes -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) - - - - Yes
MirrorLink - - - - Yes
Mobile Hotspot n/a n/a - - n/a
NFC Yes * - - - Yes
USB Yes
USB Type C
Yes Yes - Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes - n/a
Ringer ID n/a n/a Yes - n/a
Voice Dialing n/a n/a - Yes n/a
Customization
Custom Graphics n/a n/a Yes Yes n/a
Custom Ringtones n/a n/a Yes Yes n/a
Real-Music Ringers n/a n/a Yes - n/a
Data & Network
External Antenna Jack n/a n/a Yes - n/a
WAP / Web Browser n/a n/a Yes Yes n/a
Input
Predictive Text Entry n/a n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus Yes - - - -
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a n/a Yes - n/a
EMS / Picture Messaging n/a n/a Yes Yes n/a
MMS n/a n/a Yes - n/a
Text Messaging Templates n/a n/a Yes Yes n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a - - n/a
Photo & Video
DLNA Yes - - - Yes
Miracast - - - - Yes
TV Output - Yes Yes - Yes
Video Calling n/a n/a - - n/a
Power
Wireless Charging - - - - Yes
Productivity
Alarm n/a n/a Yes Yes n/a
Calculator n/a n/a Yes Yes n/a
Calendar n/a n/a Yes Yes n/a
To-Do List n/a n/a Yes Yes n/a
Voice Memo n/a n/a Yes Yes n/a
Software
BREW n/a n/a - Yes n/a
Games n/a n/a Yes Yes n/a
Java (J2ME) n/a n/a Yes - n/a
Voice
HD Voice Yes - - - Yes
Headset Jack (2.5 mm) n/a n/a - Yes n/a
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  LG Stylo 4 Apple iPhone 4 (CDMA) Samsung SGH-X820 Samsung SCH-A570 Samsung Galaxy S6 (CDMA)
  X > < X > < X > < X > < X

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

 
Phone LG Stylo 4 Apple iPhone 4 (CDMA) Samsung SGH-X820 Samsung SCH-A570 Samsung Galaxy S6 (CDMA)

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