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Phone LG K4 / Optimus Zone 3 / Rebel Samsung SPH-N270 (Matrix Phone) Motorola V710 Palm Treo Pro (GSM) Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? ? 4.7" diag.
16 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,940 mAh 1,000 mAh ? 1,500 mAh 2,400 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? ? 400 MHz MSM7201 2.2 GHz Qualcomm Snapdragon 800
RAM 1.5 GB ? ? ? 2 GB
Storage 16 GB * ? raw hardware ? raw hardware ? raw hardware 32 GB *
Main Camera 5 megapixel - 1 megapixel 2 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - ? ? 1080p HD
Front Camera 2 megapixel - - - 2 megapixel
Weight 3.99 oz
(113g)
4.66 oz
(132g)
4.06 oz
(115g)
4.69 oz
(133g)
5.64 oz
(160g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
3.7" x 1.93" x 0.92"
(94 x 49 x 23.4 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slab Slide Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) Windows Mobile Professional (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) - 1xRTT HSDPA 3.6 LTE (Cat 4)
Features 
Flashlight Yes - - - Yes
GPS / Location n/a Yes Yes n/a Yes
Accessibility
Adjustable Text Size n/a - - n/a -
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot n/a - - n/a Yes
NFC - - - - Yes
USB Yes
Micro-USB
- Yes * Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a Yes
Ringer ID n/a Yes Yes n/a Yes
Voice Dialing n/a Yes Yes n/a Yes
Customization
Custom Graphics n/a - Yes n/a -
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 Yes
WAP / Web Browser n/a - Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes - Yes Yes Yes
Stylus - - - Yes -
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes - - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client n/a - Yes * n/a Yes
EMS / Picture Messaging n/a - Yes n/a -
Instant Messaging n/a - - n/a -
MMS n/a - Yes n/a Yes
Text Messaging Templates n/a - Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a - Yes n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
Miracast Yes - - - Yes
TV Output - - - - Yes
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a Yes - n/a -
Voice Memo n/a Yes Yes n/a Yes
Software
BREW n/a - Yes n/a -
Games n/a - Yes n/a Yes
Voice
HD Voice Yes * - - - Yes
Headset Jack (2.5 mm) n/a Yes Yes n/a -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Samsung SPH-N270 (Matrix Phone) Motorola V710 Palm Treo Pro (GSM) Amazon Fire
  X > < X > < X > < X > < X

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

 
Phone LG K4 / Optimus Zone 3 / Rebel Samsung SPH-N270 (Matrix Phone) Motorola V710 Palm Treo Pro (GSM) Amazon Fire

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