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Phone Samsung Galaxy Reverb Sony Ericsson J300a TCL 20 Pro 5G Casio G'zOne Boulder
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
? 6.7" diag.
20 : 9
2" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1080 x 2400 pixels
(~395 ppi)
AMOLED
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 1,700 mAh ? 4,500 mAh 810 mAh
Processor 1.4 GHz Qualcomm S2 MSM8655 ? 2 GHz Qualcomm Snapdragon 750G ?
RAM 768 MB ? 6 GB ?
Storage 4 GB ? raw hardware 256 GB ? raw hardware
Main Camera 5 megapixel - 48 megapixel 1 megapixel
Wide Camera - - 16 megapixel -
Tele Camera - - - -
Video Capture WVGA / 480p - 4K UHD ?
Front Camera 1 megapixel - 32 megapixel -
Weight 4.54 oz
(129g)
2.75 oz
(78g)
6.82 oz
(193g)
4.9 oz
(139g)
Dimensions 4.82" x 2.53" x 0.44"
(122 x 64 x 11.3 mm)
3.9" x 1.68" x 0.72"
(99 x 43 x 18.3 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

CDMA: 1900

GSM: 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

CDMA: 850, 1900

Data Technology EVDO rA GPRS NR (5G) EVDO rA
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (optical)
-
Flashlight - - Yes Yes
GPS / Location n/a - n/a Yes
Ruggedized - - - Yes
Water-Resistant - - Yes
IPX2 (drip)
Yes
Accessibility
Adjustable Text Size n/a - n/a -
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages n/a - n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes -
NFC - - Yes -
USB Yes Yes Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a - n/a Yes
Voice Dialing n/a Yes n/a Yes
Customization
Changeable Body Plates - Yes - Yes
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a - n/a -
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes - Yes Yes
Touch Screen Yes - Yes -
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client n/a Yes n/a -
EMS / Picture Messaging n/a Yes n/a Yes
Instant Messaging n/a - n/a -
MMS n/a Yes n/a Yes
Text Messaging Templates n/a - n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a - n/a Yes
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a Yes
Software
BREW n/a - n/a Yes
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
HD Voice - - Yes -
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy Reverb Sony Ericsson J300a TCL 20 Pro 5G Casio G'zOne Boulder
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Phone Samsung Galaxy Reverb Sony Ericsson J300a TCL 20 Pro 5G Casio G'zOne Boulder

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