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Phone Nuu F4L Casio G'zOne Rock Samsung Galaxy Attain 4G Visible Midnight Kyocera 3225
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
2.1" diag.
4 : 3
3.5" diag.
5 : 3
6.5" diag.
20 : 9
?
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (STN)
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh 60 Hz ? 60 Hz 60 Hz ?
Battery 1,350 mAh 1,150 mAh 1,650 mAh 4,000 mAh ?
Processor 1.1 GHz MediaTek MT6731 ? ? MediaTek Helio P22 (MT6762) ?
RAM 512 MB ? 512 MB 3 GB ?
Storage 4 GB ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 2 megapixel 2 megapixel 3 megapixel 13 megapixel -
Wide Camera - - - 5 megapixel -
Tele Camera - - - - -
Video Capture 720p HD ? WVGA / 480p 1080p HD -
Front Camera Yes - 1 megapixel 8 megapixel -
Weight 4.5 oz
(128g)
4.4 oz
(125g)
4.2 oz
(119g)
6.35 oz
(180g)
4.23 oz
(120g)
Dimensions 4.31" x 2.27" x 0.83"
(109 x 58 x 21 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 13, 66

WCDMA: 2, 4, 5

GSM: 850, 1900

CDMA: 850, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 4) EVDO rA LTE (Cat 3) LTE (Cat 4) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight Yes Yes - Yes -
GPS / Location Yes Yes n/a n/a Yes
Ruggedized - Yes - - -
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size Yes - n/a n/a -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes Yes - - -
Connectivity
Bluetooth Yes
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a -
Ringer ID Yes Yes n/a n/a -
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones - Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering - Yes n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client Yes Yes n/a n/a -
EMS / Picture Messaging - - n/a n/a Yes
Instant Messaging Yes Yes n/a n/a -
MMS Yes Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a -
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player Yes Yes n/a n/a -
Photo & Video
DLNA - - Yes - -
Power
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a -
Software
BREW - Yes n/a n/a Yes
Games - Yes n/a n/a Yes
Voice
HD Voice Yes - - Yes -
Headset Jack (2.5 mm) - Yes n/a n/a Yes
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  Nuu F4L Casio G'zOne Rock Samsung Galaxy Attain 4G Visible Midnight Kyocera 3225
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nuu F4L Casio G'zOne Rock Samsung Galaxy Attain 4G Visible Midnight Kyocera 3225

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