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Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus BlackBerry 7750 Samsung Droid Charge BlackBerry Curve 8300
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.1" diag.
19.5 : 9
? 4.3" diag.
5 : 3
?
Display Resolution & Type 720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~217 ppi)
AMOLED
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 3,500 mAh ? 1,500 mAh ?
Processor 2 GHz MediaTek Helio P22 (MT6762) ? 1 GHz Samsung Hummingbird ?
RAM 3 GB * ? ? ?
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel - 8 megapixel 2 megapixel
Wide Camera 5 megapixel - - -
Tele Camera - - - -
Video Capture 1080p HD - 720p HD -
Front Camera 8 megapixel - 1 megapixel -
Weight 6.1 oz
(173g)
5.01 oz
(142g)
5.06 oz
(144g)
3.92 oz
(111g)
Dimensions 6.15" x 2.92" x 0.34"
(156 x 74 x 8.6 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.1" x 2.68" x 0.46"
(130 x 68 x 11.7 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
Platform / OS Android BlackBerry OS Android BlackBerry OS
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

*

CDMA: 850, 1900

4G LTE: 13

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) 1xRTT LTE (Cat 3) EDGE
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - -
Accessibility
Hearing Aid Compatible Yes - Yes -
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth Yes - Yes Yes
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes
Touch Screen Yes - Yes -
Memory
Memory Card Slot Yes - Yes Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - Yes Yes
Photo & Video
DLNA - - Yes -
TV Output - - Yes -
Voice
HD Voice Yes - - -
Push-To-Talk - - - Yes *
Speaker Phone Yes - Yes Yes
  * Some versions only
  LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus BlackBerry 7750 Samsung Droid Charge BlackBerry Curve 8300
  X > < X > < X > < X

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

 
Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus BlackBerry 7750 Samsung Droid Charge BlackBerry Curve 8300

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