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Phone LG K40 / Harmony 3 BlackBerry Pearl 3G 9100 / 9105 ZTE Blade Max 2s BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
2.3" diag.
1 : 1
6" diag.
18 : 9
?
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh 60 Hz ? 60 Hz ?
Battery 3,000 mAh 1,150 mAh 4,000 mAh ?
Processor 1.8 GHz Qualcomm Snapdragon 450 ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) ?
RAM 2 GB ? 2 GB ?
Storage 32 GB ? raw hardware 32 GB ? raw hardware
Main Camera 13 megapixel 3 megapixel 13 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD ? 1080p HD -
Front Camera 5 megapixel - 5 megapixel -
Weight 5.11 oz
(145g)
3.3 oz
(94g)
6.35 oz
(180g)
5.01 oz
(142g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
6.26" x 2.96" x 0.32"
(159 x 75 x 8.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 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

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 12, 13, 25, 26, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 6) HSDPA 3.6 LTE (Cat 6) 1xRTT
Features 
Fingerprint Reader Yes
stand-alone
- Yes
stand-alone
-
Flashlight Yes - Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes -
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth Yes Yes Yes -
NFC Yes * - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,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 - - -
Power
Fast Charging - - Yes -
Voice
HD Voice Yes - Yes -
Speaker Phone Yes Yes Yes -
  * Some versions only
  LG K40 / Harmony 3 BlackBerry Pearl 3G 9100 / 9105 ZTE Blade Max 2s BlackBerry 7750
  X > < X > < X > < X

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

 
Phone LG K40 / Harmony 3 BlackBerry Pearl 3G 9100 / 9105 ZTE Blade Max 2s BlackBerry 7750

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