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Phone BlackBerry Curve 8300 AT&T Vista LG K40 / Harmony 3 ZTE Imperial II
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
18 : 9
5.7" diag.
18 : 9
5" diag.
16 : 9
Display Resolution & Type 320 x 240 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz
Battery ? 2,450 mAh 3,000 mAh 2,300 mAh
Processor ? 2 GHz MediaTek Helio A22 (MT6761V) 1.8 GHz Qualcomm Snapdragon 450 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM ? 3 GB 2 GB 1 GB
Storage ? raw hardware 32 GB 32 GB 8 GB
Main Camera 2 megapixel 8 megapixel 13 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD 1080p HD 720p HD
Front Camera - 5 megapixel 5 megapixel 1 megapixel
Weight 3.92 oz
(111g)
5.51 oz
(156g)
5.11 oz
(145g)
5.07 oz
(144g)
Dimensions 4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
5.6" x 2.8" x 0.4"
(142 x 71 x 10.2 mm)
Platform / OS BlackBerry OS Android Android Android
Network Bands

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

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, 17

CDMA: 850, 1900

Data Technology EDGE LTE (Cat 4) LTE (Cat 6) LTE (Cat 3)
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - Yes Yes -
Accessibility
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes
NFC - - Yes * -
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes
Photo & Video
DLNA - - Yes -
Voice
HD Voice - Yes Yes -
Push-To-Talk Yes * - - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  BlackBerry Curve 8300 AT&T Vista LG K40 / Harmony 3 ZTE Imperial II
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Curve 8300 AT&T Vista LG K40 / Harmony 3 ZTE Imperial II

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