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Phone LG K4 / Optimus Zone 3 / Rebel ZTE Blade Spark Samsung SPH-N240 Motorola razr (2019) TCL 20 SE
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
5.5" diag.
16 : 9
? 6.2" diag.
22 : 9
6.8" diag.
20.5 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
128 x 64 pixels 876 x 2142 pixels
(~373 ppi)
AMOLED
720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz 60 Hz
Battery 1,940 mAh 3,140 mAh ? 2,510 mAh 5,000 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? 2.2 GHz Qualcomm Snapdragon 710 1.6 GHz Qualcomm Snapdragon 460
RAM 1.5 GB 2 GB ? 6 GB 4 GB
Storage 16 GB * 16 GB ? raw hardware 128 GB 128 GB
Main Camera 5 megapixel 13 megapixel - 16 megapixel 48 megapixel
Wide Camera - - - - 5 megapixel
Tele Camera - - - - -
Video Capture 720p HD 1080p HD - 1080p HD 1080p HD
Front Camera 2 megapixel 5 megapixel - 5 megapixel 13 megapixel
Weight 3.99 oz
(113g)
6.12 oz
(173g)
3.2 oz
(91g)
7.23 oz
(205g)
7.31 oz
(207g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
6.14" x 3.06" x 0.38"
(156 x 78 x 9.7 mm)
4.1" x 1.5" x 0.7"
(104 x 38 x 17.8 mm)
3.7" x 2.83" x 0.55"
(94 x 72 x 14 mm)
6.78" x 3.04" x 0.35"
(172 x 77 x 8.9 mm)
Form Factor Slab Slab Slab Foldable Slab
Platform / OS Android Android (proprietary) Android Android
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 29, 30

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 3, 4, 5, 7, 13, 20, 28, 66

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) LTE (Cat 4) - LTE (Cat 15) LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
- Yes
stand-alone
Yes
stand-alone
Flashlight Yes Yes - Yes Yes
GPS / Location n/a n/a Yes n/a n/a
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size n/a n/a - n/a n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - Yes -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot n/a n/a - n/a n/a
NFC - - - Yes -
USB Yes
Micro-USB
Yes
USB Type C
- Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a n/a - n/a n/a
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a Yes n/a n/a
Customization
Changeable Body Plates - - Yes - -
Custom Graphics n/a n/a - n/a n/a
Custom Ringtones n/a n/a - n/a n/a
Real-Music Ringers n/a n/a - n/a n/a
Data & Network
Data Tethering n/a n/a - n/a n/a
WAP / Web Browser n/a n/a - n/a n/a
Input
Predictive Text Entry n/a n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - - Yes
Messaging
Email Client n/a n/a - n/a n/a
Instant Messaging n/a n/a - n/a n/a
MMS n/a n/a - n/a n/a
Text Messaging Templates n/a n/a - n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a - n/a n/a
Photo & Video
Miracast Yes - - - -
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a Yes n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a Yes n/a n/a
Voice Memo n/a n/a - n/a n/a
Software
Games n/a n/a Yes n/a n/a
Voice
HD Voice Yes * Yes - Yes Yes
Headset Jack (2.5 mm) n/a n/a Yes n/a n/a
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel ZTE Blade Spark Samsung SPH-N240 Motorola razr (2019) TCL 20 SE
  X > < X > < X > < X > < X

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

 
Phone LG K4 / Optimus Zone 3 / Rebel ZTE Blade Spark Samsung SPH-N240 Motorola razr (2019) TCL 20 SE

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