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Phone LG K4 / Optimus Zone 3 / Rebel Samsung SCH-A610 Samsung Galaxy Note20 Samsung Glyde U940 LG AX-490
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? 6.7" diag.
20 : 9
2.8" diag.
16.5 : 9
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 1,940 mAh 1,300 mAh 4,300 mAh 1,000 mAh 1,100 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 3.1 GHz Qualcomm Snapdragon 865+ ? ?
RAM 1.5 GB ? 8 GB ? ?
Storage 16 GB * ? raw hardware 128 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel Yes 12 megapixel 2 megapixel Yes
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture 720p HD - 8K QVGA (320 x 240) -
Front Camera 2 megapixel - 10 megapixel - -
Weight 3.99 oz
(113g)
4.23 oz
(120g)
6.84 oz
(194g)
4.2 oz
(119g)
3.79 oz
(107g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
Form Factor Slab Clamshell Slab Slide Clamshell
Platform / OS Android (proprietary) Android (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 3) 1xRTT NR (5G) EVDO r0 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
- -
Flashlight Yes - Yes - -
GPS / Location n/a Yes n/a Yes Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a - n/a - -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Yes
M3 (mostly compatible)
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot n/a - n/a - -
NFC - - Yes - -
USB Yes
Micro-USB
- Yes
USB Type C
Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a Yes n/a Yes Yes
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a - n/a Yes Yes
Data & Network
Data Tethering n/a Yes n/a Yes Yes
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - - - Yes Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes -
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client n/a - n/a - -
EMS / Picture Messaging n/a Yes n/a - -
Instant Messaging n/a - n/a - -
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - n/a Yes -
Stereo Speakers - - Yes - Yes
Photo & Video
Miracast Yes - - - -
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a Yes n/a - -
Voice Memo n/a Yes n/a - Yes
Software
BREW n/a Yes n/a Yes Yes
Games n/a Yes n/a Yes Yes
Voice
HD Voice Yes * - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a Yes Yes
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Samsung SCH-A610 Samsung Galaxy Note20 Samsung Glyde U940 LG AX-490
  X > < X > < X > < X > < X

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

 
Phone LG K4 / Optimus Zone 3 / Rebel Samsung SCH-A610 Samsung Galaxy Note20 Samsung Glyde U940 LG AX-490

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