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Phone LG K20 / Harmony / Grace LG AX-4270 / VX-4270 LG VX-8550 Chocolate Siemens CX75 HTC myTouch 4G Slide
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 5.3" diag.
16 : 9
? ? ? 3.7" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 2,800 mAh ? 800 mAh 750 mAh 1,520 mAh
Processor 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? ? ? 1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core)
RAM 1.5 GB ? ? ? ?
Storage 16 GB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 8 megapixel - 1 megapixel 1 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - QCIF (176 x 144) ? 1080p HD
Front Camera 5 megapixel - - - Yes
Weight 5 oz
(142g)
3.21 oz
(91g)
3.24 oz
(92g)
3.46 oz
(98g)
6.5 oz
(184g)
Dimensions 5.9" x 3" x 0.3"
(150 x 76 x 7.6 mm)
3.27" x 1.76" x 0.91"
(83 x 45 x 23.1 mm)
3.85" x 1.87" x 0.67"
(98 x 47 x 17 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
4.8" x 2.4" x 0.52"
(122 x 61 x 13.2 mm)
Form Factor Slab Clamshell Slide Slab Slide
Platform / OS Android (proprietary) (proprietary) (proprietary) Android
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) 1xRTT EVDO r0 GPRS HSPA 14.4
Features 
Flashlight Yes - - - -
GPS / Location n/a Yes Yes - n/a
Accessibility
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - - Yes -
Mobile Hotspot n/a - - - n/a
NFC Yes * - - - -
USB Yes
Micro-USB
- Yes Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes Yes n/a
Ringer ID n/a Yes Yes Yes n/a
Voice Dialing n/a Yes Yes - n/a
Customization
Custom Graphics n/a Yes Yes Yes n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a - Yes - n/a
Data & Network
Data Tethering n/a Yes Yes Yes n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a - - Yes n/a
EMS / Picture Messaging n/a - - Yes n/a
Instant Messaging n/a - - - n/a
MMS n/a Yes Yes Yes n/a
Text Messaging Templates n/a Yes Yes - n/a
Music
FM Radio Yes - - - Yes
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - Yes Yes n/a
Photo & Video
DLNA - - - - Yes
TV Output - - - - Yes
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes Yes n/a
To-Do List n/a - - Yes n/a
Voice Memo n/a Yes Yes Yes n/a
Software
BREW n/a Yes Yes - n/a
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a - - Yes n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a Yes Yes - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K20 / Harmony / Grace LG AX-4270 / VX-4270 LG VX-8550 Chocolate Siemens CX75 HTC myTouch 4G Slide
  X > < X > < X > < X > < X

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

 
Phone LG K20 / Harmony / Grace LG AX-4270 / VX-4270 LG VX-8550 Chocolate Siemens CX75 HTC myTouch 4G Slide

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