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Phone ZTE Z331 Coolpad Conjr Samsung SGH-T819 Samsung Galaxy S10e Samsung Array / Montage
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
5" diag.
16 : 9
? 5.8" diag.
19 : 9
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 2280 pixels
(~435 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 950 mAh 2,500 mAh ? 3,100 mAh 1,000 mAh
Processor ? 1 GHz MediaTek MT6735 ? 2.8 GHz Qualcomm Snapdragon 855 480 MHz Qualcomm QSC6155
RAM ? 3 GB ? 6 GB * 128 MB
Storage ? raw hardware 16 GB ? raw hardware 128 GB * 256 MB
Main Camera 3 megapixel 13 megapixel 1 megapixel 12 megapixel 2 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 1080p HD QCIF (176 x 144) 4K UHD QCIF (176 x 144)
Front Camera - 8 megapixel - 10 megapixel -
Weight 4 oz
(113g)
5.14 oz
(146g)
3.46 oz
(98g)
5.29 oz
(150g)
4.14 oz
(117g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
5.6" x 2.75" x 0.31"
(142 x 70 x 7.9 mm)
4.41" x 2.12" x 0.59"
(112 x 54 x 15 mm)
Form Factor Clamshell Slab Slide Slab Slide
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology HSDPA 3.6 LTE (Cat 4) WCDMA (UMTS) LTE (Cat 20) 1xRTT
Features 
Barometer - - - Yes -
Fingerprint Reader - Yes
stand-alone
- Yes
stand-alone
-
Flashlight - Yes - Yes -
GPS / Location Yes n/a - n/a Yes
VR-ready - - - Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
MirrorLink - - - Yes -
NFC - - - Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a Yes n/a Yes
Data & Network
Data Tethering Yes n/a Yes n/a -
Dual-SIM - Yes - Yes * -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes - Yes -
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a - n/a Yes
EMS / Picture Messaging - n/a Yes n/a -
Instant Messaging Yes n/a Yes n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player Yes n/a Yes n/a Yes
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a Yes n/a -
Voice Memo Yes n/a - n/a Yes
Software
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a Yes n/a Yes
Voice
HD Voice - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Z331 Coolpad Conjr Samsung SGH-T819 Samsung Galaxy S10e Samsung Array / Montage
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 Coolpad Conjr Samsung SGH-T819 Samsung Galaxy S10e Samsung Array / Montage

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