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Phone LG AX-490 Motorola EM330 / EM28 Sony Ericsson K850 TCL 20 Pro 5G Palm Pre Plus (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.8" diag.
4 : 3
2.2" diag.
4 : 3
6.7" diag.
20 : 9
3.1" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,100 mAh 940 mAh ? 4,500 mAh 1,150 mAh
Processor ? ? ? 2 GHz Qualcomm Snapdragon 750G ?
RAM ? ? ? 6 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 256 GB ? raw hardware
Main Camera Yes 1 megapixel 5 megapixel 48 megapixel 3 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture - ? ? 4K UHD VGA (640 x 480)
Front Camera - - - 32 megapixel -
Weight 3.79 oz
(107g)
3.17 oz
(90g)
4.2 oz
(119g)
6.82 oz
(193g)
4.89 oz
(139g)
Dimensions 3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
Form Factor Clamshell Clamshell Slab Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) Android webOS
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1800, 1900

*

WCDMA: 1, 2, 5

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

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT EDGE HSDPA 3.6 NR (5G) HSDPA 1.8
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight - - - Yes -
GPS / Location Yes - - n/a n/a
Water-Resistant - - - Yes
IPX2 (drip)
-
Accessibility
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - Yes -
NFC - - - Yes -
USB Yes Yes
Mini-USB
Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID Yes - Yes n/a n/a
Ringer ID Yes - Yes n/a n/a
Voice Dialing Yes - Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes Yes Yes n/a n/a
Data & Network
Data Tethering Yes - Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry - Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - - Yes n/a n/a
EMS / Picture Messaging - Yes - n/a n/a
Instant Messaging - - - n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
FM Radio - Yes Yes Yes -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - Yes Yes n/a n/a
Stereo Speakers Yes - - - -
Photo & Video
Video Calling - - Yes * n/a n/a
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - - Yes n/a n/a
Voice Memo Yes - Yes n/a n/a
Software
BREW Yes - - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes Yes n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG AX-490 Motorola EM330 / EM28 Sony Ericsson K850 TCL 20 Pro 5G Palm Pre Plus (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG AX-490 Motorola EM330 / EM28 Sony Ericsson K850 TCL 20 Pro 5G Palm Pre Plus (GSM)

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