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Phone Ericsson R520 ZTE Z331 LG Motion 4G / Optimus Regard Alcatel 665 Alcatel Idol 4S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? 2.4" diag.
4 : 3
3.5" diag.
5 : 3
1.8" diag.
4 : 3
5.5" diag.
16 : 9
Display Resolution & Type ? 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery ? 950 mAh 1,700 mAh 650 mAh 3,000 mAh
Processor ? ? 1.2 GHz Qualcomm Snapdragon MSM8960L ? 1.8 GHz Qualcomm Snapdragon 652 (MSM8976)
RAM ? ? ? 16 MB 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 MB 32 GB
Main Camera - 3 megapixel 5 megapixel 2 megapixel 16 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) 1080p HD QCIF (176 x 144) 4K UHD
Front Camera - - Yes - 8 megapixel
Weight 4.23 oz
(120g)
4 oz
(113g)
4.65 oz
(132g)
2.72 oz
(77g)
5.26 oz
(149g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
4.36" x 2.39" x 0.46"
(111 x 61 x 11.7 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
6.06" x 2.97" x 0.28"
(154 x 75 x 7 mm)
Form Factor Slab Clamshell Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

GSM: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSDPA 3.6 LTE (Cat 3) - LTE (Cat 4)
Features 
Fingerprint Reader - - - - Yes *
Flashlight - - - - Yes
GPS / Location - Yes n/a - n/a
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles Yes Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) Yes - - - -
Mobile Hotspot - - n/a - n/a
NFC - - - - Yes
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - Yes n/a Yes n/a
Ringer ID - Yes n/a Yes n/a
Voice Dialing Yes - n/a - n/a
Customization
Custom Graphics - Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - Yes n/a Yes n/a
Data & Network
Data Tethering Yes Yes n/a - n/a
Dual-SIM - - - - Yes *
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - Yes n/a - n/a
Instant Messaging - Yes n/a Yes n/a
MMS - Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player - Yes n/a Yes n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - Yes - -
Miracast - - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
Voice Memo Yes Yes n/a Yes n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) - Yes n/a Yes n/a
Voice
HD Voice - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Ericsson R520 ZTE Z331 LG Motion 4G / Optimus Regard Alcatel 665 Alcatel Idol 4S
  X > < X > < X > < X > < X

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

 
Phone Ericsson R520 ZTE Z331 LG Motion 4G / Optimus Regard Alcatel 665 Alcatel Idol 4S

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