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Phone LG K4 / Optimus Zone 3 / Rebel Apple iPhone X TCL 20 Pro 5G Samsung SPH-N270 (Matrix Phone)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
5.8" diag.
19.5 : 9
6.7" diag.
20 : 9
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
1080 x 2400 pixels
(~395 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ?
Battery 1,940 mAh 2,716 mAh 4,500 mAh 1,000 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) Apple A11 2 GHz Qualcomm Snapdragon 750G ?
RAM 1.5 GB 3 GB 6 GB ?
Storage 16 GB * 64 GB * 256 GB ? raw hardware
Main Camera 5 megapixel 12 megapixel 48 megapixel -
Wide Camera - - 16 megapixel -
Tele Camera - Yes - -
Video Capture 720p HD 4K UHD 4K UHD -
Front Camera 2 megapixel 7 megapixel 32 megapixel -
Weight 3.99 oz
(113g)
6.14 oz
(174g)
6.82 oz
(193g)
4.66 oz
(132g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
5.65" x 2.79" x 0.3"
(144 x 71 x 7.6 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
Form Factor Slab Slab Slab Slide
Platform / OS Android iOS Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 7, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 3) LTE (Cat 9) NR (5G) -
Features 
Barometer - Yes Yes -
Fingerprint Reader - - Yes
in-display (optical)
-
Flashlight Yes Yes Yes -
GPS / Location n/a n/a n/a Yes
Water-Resistant - Yes
IPX7 (snorkeling)
Yes
IPX2 (drip)
-
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - - Yes -
Mobile Hotspot n/a n/a n/a -
NFC - Yes Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
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 n/a Yes
Ringer ID n/a n/a n/a Yes
Voice Dialing n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a -
Custom Ringtones n/a n/a n/a -
Real-Music Ringers n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a -
WAP / Web Browser n/a n/a n/a -
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes -
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a n/a n/a -
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a -
Text Messaging Templates n/a n/a n/a -
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a n/a n/a -
Stereo Speakers - Yes - -
Photo & Video
Miracast Yes - - -
TV Output - Yes - -
Power
Fast Charging - Yes Yes -
Wireless Charging - Yes Yes -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a Yes
To-Do List n/a n/a n/a Yes
Voice Memo n/a n/a n/a Yes
Software
Games n/a n/a n/a -
Voice
HD Voice Yes * Yes Yes -
Headset Jack (2.5 mm) n/a n/a n/a Yes
Speaker Phone Yes Yes Yes -
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Apple iPhone X TCL 20 Pro 5G Samsung SPH-N270 (Matrix Phone)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel Apple iPhone X TCL 20 Pro 5G Samsung SPH-N270 (Matrix Phone)

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