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Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Coolpad Snap Samsung Wafer R510 TCL 20 Pro 5G ZTE Max XL
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.1" diag.
19.5 : 9
2.8" diag.
4 : 3
1.9" diag.
4 : 3
6.7" diag.
20 : 9
6" diag.
16 : 9
Display Resolution & Type 720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 3,500 mAh 1,390 mAh 800 mAh 4,500 mAh 3,990 mAh
Processor 2 GHz MediaTek Helio P22 (MT6762) 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2 GHz Qualcomm Snapdragon 750G 1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM 3 GB * 512 MB ? 6 GB 2 GB
Storage 32 GB 4 GB ? raw hardware 256 GB 16 GB
Main Camera 13 megapixel 2 megapixel 1 megapixel 48 megapixel 13 megapixel
Wide Camera 5 megapixel - - 16 megapixel -
Tele Camera - - - - -
Video Capture 1080p HD CIF (352 x 288) ? 4K UHD 1080p HD
Front Camera 8 megapixel - - 32 megapixel 5 megapixel
Weight 6.1 oz
(173g)
4.16 oz
(118g)
2.47 oz
(70g)
6.82 oz
(193g)
6.35 oz
(180g)
Dimensions 6.15" x 2.92" x 0.34"
(156 x 74 x 8.6 mm)
4.29" x 2.17" x 0.74"
(109 x 55 x 18.8 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
6.5" x 3.3" x 0.37"
(165 x 84 x 9.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) (proprietary) Android Android
Network Bands

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

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 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

4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 4) EVDO r0 NR (5G) LTE (Cat 6)
Features 
Barometer - - - Yes -
Fingerprint Reader Yes
stand-alone
- - Yes
in-display (optical)
Yes
stand-alone
Flashlight Yes - - Yes Yes
GPS / Location n/a Yes Yes n/a n/a
Water-Resistant - - - Yes
IPX2 (drip)
-
Accessibility
Adjustable Text Size n/a Yes - n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
Mobile Hotspot n/a Yes - n/a n/a
NFC - - - Yes -
USB Yes
USB Type C
Yes
Micro-USB
- Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
4 (802.11 a,b,g,n)
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 Yes Yes n/a n/a
Ringer ID n/a Yes - n/a n/a
Voice Dialing n/a - Yes n/a n/a
Customization
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a - Yes n/a n/a
Real-Music Ringers n/a Yes - n/a n/a
Data & Network
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - - Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
MMS n/a Yes Yes n/a n/a
Text Messaging Templates n/a Yes - n/a n/a
Music
FM Radio Yes Yes - Yes Yes
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Music Player n/a Yes Yes n/a n/a
Stereo Speakers - - Yes - -
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
Voice Memo n/a Yes Yes n/a n/a
Software
BREW n/a - Yes n/a n/a
Games n/a - Yes n/a n/a
Voice
HD Voice Yes Yes - Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Coolpad Snap Samsung Wafer R510 TCL 20 Pro 5G ZTE Max XL
  X > < X > < X > < X > < X

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

 
Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Coolpad Snap Samsung Wafer R510 TCL 20 Pro 5G ZTE Max XL

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