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Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus LG Arena BlackBerry 8820 Huawei M750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.1" diag.
19.5 : 9
3" diag.
5 : 3
? 2.8" diag.
4 : 3
Display Resolution & Type 720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~311 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery 3,500 mAh 1,000 mAh 1,400 mAh 1,150 mAh
Processor 2 GHz MediaTek Helio P22 (MT6762) ? ? ?
RAM 3 GB * ? ? ?
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel 5 megapixel - 1 megapixel
Wide Camera 5 megapixel - - -
Tele Camera - - - -
Video Capture 1080p HD VGA (640 x 480) - -
Front Camera 8 megapixel - - -
Weight 6.1 oz
(173g)
3.7 oz
(105g)
4.73 oz
(134g)
3.92 oz
(111g)
Dimensions 6.15" x 2.92" x 0.34"
(156 x 74 x 8.6 mm)
4.24" x 2.18" x 0.48"
(108 x 55 x 12.2 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Android (proprietary) BlackBerry OS (proprietary)
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

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology LTE (Cat 6) HSPA 7.2 EDGE 1xRTT
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - -
GPS / Location n/a Yes n/a Yes
Accessibility
Hearing Aid Compatible Yes - - Yes
Multiple Languages n/a - n/a -
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes
USB Type C
Yes Yes
Mini-USB
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes -
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a - n/a Yes
Voice Dialing n/a Yes n/a -
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a Yes n/a -
WAP / Web Browser n/a Yes n/a Yes
Input
Side Keys Yes Yes Yes Yes
Stylus - - - Yes
Text Keyboard, Hardware - - Yes -
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a Yes n/a Yes
Instant Messaging n/a Yes n/a Yes
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 Yes n/a 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
  * Some versions only
  LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus LG Arena BlackBerry 8820 Huawei M750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus LG Arena BlackBerry 8820 Huawei M750

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