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Phone LG K40 / Harmony 3 Samsung Galaxy S 4 (GSM) Alcatel Pop Mega Palm Treo 600 (CDMA) ZTE Prelude / Avail 2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
5" diag.
16 : 9
6" diag.
16 : 9
? 3.5" diag.
5 : 3
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
540 x 960 pixels
(~184 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ? 60 Hz
Battery 3,000 mAh 2,600 mAh 3,400 mAh ? 1,500 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 1.9 GHz Qualcomm Snapdragon 600 8064T 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? 1 GHz Qualcomm Snapdragon MSM7225A
RAM 2 GB 2 GB 1 GB ? 512 MB
Storage 32 GB 16 GB * 4 GB ? raw hardware 4 GB
Main Camera 13 megapixel 13 megapixel 8 megapixel Yes 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD 1080p HD - VGA (640 x 480)
Front Camera 5 megapixel 2 megapixel 2 megapixel - -
Weight 5.11 oz
(145g)
4.59 oz
(130g)
6.42 oz
(182g)
6.2 oz
(176g)
4.4 oz
(125g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
5.38" x 2.75" x 0.31"
(137 x 70 x 7.9 mm)
6.39" x 3.32" x 0.34"
(162 x 84 x 8.6 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.6" x 2.44" x 0.45"
(117 x 62 x 11.4 mm)
Platform / OS Android Android Android Palm OS Android
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

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 4, 17

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 1900

Data Technology LTE (Cat 6) LTE (Cat 3) LTE (Cat 4) 1xRTT HSPA 7.2
Features 
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes Yes Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes - Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) - Yes - Yes -
NFC Yes * Yes - - -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Music
FM Radio Yes - Yes - -
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Photo & Video
DLNA Yes Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Voice
HD Voice Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K40 / Harmony 3 Samsung Galaxy S 4 (GSM) Alcatel Pop Mega Palm Treo 600 (CDMA) ZTE Prelude / Avail 2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K40 / Harmony 3 Samsung Galaxy S 4 (GSM) Alcatel Pop Mega Palm Treo 600 (CDMA) ZTE Prelude / Avail 2

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