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Phone Nuu F4L Samsung SGH-X640 LG VX-8500 Chocolate Kyocera DuraForce Pro 3 LG K8 V
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
? ? 5.4" diag.
18 : 9
5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~449 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 1,350 mAh 800 mAh 800 mAh 4,270 mAh 2,125 mAh
Processor 1.1 GHz MediaTek MT6731 ? ? 2.4 GHz Snapdragon 7 Gen 1 1.3 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM 512 MB ? ? 6 GB 1.5 GB
Storage 4 GB ? raw hardware ? raw hardware 128 GB 16 GB
Main Camera 2 megapixel Yes 1 megapixel 16 megapixel 8 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture 720p HD - QCIF (176 x 144) 4K UHD 720p HD
Front Camera Yes - - 8 megapixel 5 megapixel
Weight 4.5 oz
(128g)
3 oz
(85g)
3.53 oz
(100g)
8.36 oz
(237g)
4.71 oz
(134g)
Dimensions 4.31" x 2.27" x 0.83"
(109 x 58 x 21 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.8" x 1.88" x 0.69"
(97 x 48 x 17.5 mm)
6.06" x 2.95" x 0.57"
(154 x 75 x 14.5 mm)
5.69" x 2.85" x 0.33"
(145 x 72 x 8.4 mm)
Form Factor Clamshell Clamshell Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

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

WCDMA: 2, 4, 5

GSM: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 2, 5, 48, 66, 77-A, 77-C, 78, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 46, 48, 66

WCDMA: 1, 2, 5, 8

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS EVDO r0 NR (5G) LTE (Cat 4)
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight Yes - - Yes Yes
GPS / Location Yes - Yes n/a n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size Yes - - n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot - - - n/a n/a
NFC - - - Yes -
USB Yes
Micro-USB
- - Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing - - Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones - Yes Yes n/a n/a
Real-Music Ringers - - Yes n/a n/a
Data & Network
Data Tethering - - Yes n/a n/a
Dual-SIM - - - Yes -
External Antenna Jack - - Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a 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
EMS / Picture Messaging - Yes - n/a n/a
Instant Messaging Yes - - n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - Yes
Music Player Yes - Yes n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - Yes - n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
BREW - - Yes n/a n/a
Games - Yes Yes n/a n/a
Java (J2ME) - Yes - n/a n/a
Voice
HD Voice Yes - - Yes Yes
Headset Jack (2.5 mm) - Yes - n/a n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes * Yes Yes
  * Some versions only
  Nuu F4L Samsung SGH-X640 LG VX-8500 Chocolate Kyocera DuraForce Pro 3 LG K8 V
  X > < X > < X > < X > < X

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

 
Phone Nuu F4L Samsung SGH-X640 LG VX-8500 Chocolate Kyocera DuraForce Pro 3 LG K8 V

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