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Phone Pantech Matrix Pro C820 LG K40 / Harmony 3 ZTE Blade 10 / Blade 10 Prime BlackBerry 7280 LG VX-8550 Chocolate
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
5.7" diag.
18 : 9
6.3" diag.
19 : 9
? ?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 2280 pixels
(~400 ppi)
LCD (TFT/TFD)
240 x 160 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,320 mAh 3,000 mAh 3,100 mAh ? 800 mAh
Processor 528 MHz ARM 11 1.8 GHz Qualcomm Snapdragon 450 2 GHz MediaTek Helio P60 (MT6771) ? ?
RAM ? 2 GB 3 GB ? ?
Storage ? raw hardware 32 GB 64 GB ? raw hardware ? raw hardware
Main Camera 2 megapixel 13 megapixel 16 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 1080p HD 1080p HD - QCIF (176 x 144)
Front Camera - 5 megapixel 16 megapixel - -
Weight 5.34 oz
(151g)
5.11 oz
(145g)
5.5 oz
(156g)
4.9 oz
(139g)
3.24 oz
(92g)
Dimensions 4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
6.22" x 2.96" x 0.31"
(158 x 75 x 7.9 mm)
4.4" x 2.9" x 0.94"
(112 x 74 x 23.9 mm)
3.85" x 1.87" x 0.67"
(98 x 47 x 17 mm)
Form Factor Slide Slab Slab Slab Slide
Platform / OS Windows Mobile Standard Android Android BlackBerry OS (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

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, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1800, 1900

CDMA: 850, 1900

Data Technology HSDPA 3.6 LTE (Cat 6) LTE (Cat 6) GPRS EVDO r0
Features 
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location n/a n/a n/a n/a Yes
Accessibility
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes - Yes
NFC - Yes * Yes - -
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 ac,b,g,n)
- -
Contacts
Picture ID n/a n/a n/a n/a Yes
Ringer ID n/a n/a n/a n/a Yes
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a n/a Yes
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client n/a n/a n/a n/a -
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a n/a Yes
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player n/a n/a n/a n/a Yes
Photo & Video
DLNA - Yes - - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a -
Voice Memo n/a n/a n/a n/a Yes
Software
BREW n/a n/a n/a n/a Yes
Games n/a n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a n/a -
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Pantech Matrix Pro C820 LG K40 / Harmony 3 ZTE Blade 10 / Blade 10 Prime BlackBerry 7280 LG VX-8550 Chocolate
  X > < X > < X > < X > < X

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

 
Phone Pantech Matrix Pro C820 LG K40 / Harmony 3 ZTE Blade 10 / Blade 10 Prime BlackBerry 7280 LG VX-8550 Chocolate

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