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Phone Samsung SGH-X640 Motorola Defy (2010) LG K4 / Optimus Zone 3 / Rebel Motorola v66i
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 3.6" diag.
16 : 9
4.5" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
?
Display Refresh ? 60 Hz 60 Hz ?
Battery 800 mAh 1,540 mAh 1,940 mAh ?
Processor ? 800 MHz TI OMAP3610 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM ? ? 1.5 GB ?
Storage ? raw hardware ? raw hardware 16 GB * ? raw hardware
Main Camera Yes 5 megapixel 5 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? 720p HD -
Front Camera - - 2 megapixel -
Weight 3 oz
(85g)
4.16 oz
(118g)
3.99 oz
(113g)
2.79 oz
(79g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
3.3" x 1.7" x 0.83"
(84 x 43 x 21.1 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology GPRS HSPA 7.2 LTE (Cat 3) GPRS
Features 
Flashlight - - Yes -
GPS / Location - n/a n/a -
Ruggedized - Yes - -
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes -
Connectivity
Bluetooth - Yes Yes -
Mobile Hotspot - n/a n/a -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a -
Ringer ID Yes n/a n/a Yes
Voice Dialing - n/a n/a Yes
Customization
Changeable Body Plates - - - Yes
Custom Graphics Yes n/a n/a -
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a -
Data & Network
Data Tethering - n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - n/a n/a -
EMS / Picture Messaging Yes n/a n/a Yes
Instant Messaging - n/a n/a -
MMS Yes n/a n/a -
Text Messaging Templates Yes n/a n/a -
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a n/a -
Photo & Video
DLNA - Yes - -
Miracast - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List Yes n/a n/a -
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a Yes
Voice
HD Voice - - Yes * -
Headset Jack (2.5 mm) Yes n/a n/a Yes
Speaker Phone Yes Yes Yes -
  * Some versions only
  Samsung SGH-X640 Motorola Defy (2010) LG K4 / Optimus Zone 3 / Rebel Motorola v66i
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Phone Samsung SGH-X640 Motorola Defy (2010) LG K4 / Optimus Zone 3 / Rebel Motorola v66i

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