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Phone LG VX-4700 / VX-4650 / AX-4750 / UX-4750 ZTE Z221 Samsung Galaxy S6 (GSM) Pantech Duo C810 Nokia Lumia 635 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
5.1" diag.
16 : 9
2.2" diag.
4 : 3
4.5" diag.
16 : 9
Display Resolution & Type 128 x 128 pixels
LCD (STN)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,000 mAh 900 mAh 2,550 mAh 1,320 mAh 1,830 mAh
Processor ? ? 2.1 GHz Samsung Exynos 7420 ARM 920t PXA27x 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM ? ? 3 GB ? 512 MB
Storage ? raw hardware 142 MB 32 GB * ? raw hardware 8 GB
Main Camera - Yes 16 megapixel 1 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) 4K UHD QVGA (320 x 240) 720p HD
Front Camera - - 5 megapixel - -
Weight 3.7 oz
(105g)
3.24 oz
(92g)
4.87 oz
(138g)
3.88 oz
(110g)
4.73 oz
(134g)
Dimensions 3.8" x 1.93" x 0.89"
(97 x 49 x 22.6 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
Form Factor Clamshell Clamshell Slab Slide Slab
Platform / OS (proprietary) (proprietary) Android Windows Mobile Standard Windows
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT HSDPA 3.6 LTE (Cat 6) HSDPA 1.8 LTE (Cat 3)
Features 
Fingerprint Reader - - Yes - -
Flashlight - - Yes - -
GPS / Location Yes Yes n/a n/a n/a
VR-ready - - Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes - -
USB Yes Yes Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID - - n/a n/a n/a
Ringer ID Yes - n/a n/a n/a
Voice Dialing Yes - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering Yes - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client - Yes n/a n/a n/a
Instant Messaging - Yes n/a n/a n/a
MMS - Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - - n/a n/a n/a
Photo & Video
DLNA - - Yes - Yes
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - - n/a n/a n/a
Voice Memo - Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes - n/a n/a n/a
Push-To-Talk Yes * - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG VX-4700 / VX-4650 / AX-4750 / UX-4750 ZTE Z221 Samsung Galaxy S6 (GSM) Pantech Duo C810 Nokia Lumia 635 (CDMA)
  X > < X > < X > < X > < X

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

 
Phone LG VX-4700 / VX-4650 / AX-4750 / UX-4750 ZTE Z221 Samsung Galaxy S6 (GSM) Pantech Duo C810 Nokia Lumia 635 (CDMA)

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