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Phone Nuu F4L BLU Pure View Sony Xperia Pro Kyocera K404 Alcatel Go Flip 3 / SmartFlip
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
5.7" diag.
18 : 9
6.5" diag.
21 : 9
? 2.8" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (STN)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
104 x 90 pixels
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ? ?
Battery 1,350 mAh 3,000 mAh 4,000 mAh 900 mAh 1,350 mAh
Processor 1.1 GHz MediaTek MT6731 1.3 GHz MediaTek 6753 Qualcomm Snapdragon 865 ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM 512 MB 3 GB 12 GB ? 512 MB
Storage 4 GB 32 GB 512 GB ? raw hardware 4 GB
Main Camera 2 megapixel 13 megapixel 12 megapixel - 2 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 12 megapixel - -
Video Capture 720p HD 1080p HD 4K UHD - 720p HD
Front Camera Yes 8 megapixel 8 megapixel - -
Weight 4.5 oz
(128g)
6.47 oz
(183g)
7.94 oz
(225g)
3.52 oz
(100g)
4.16 oz
(118g)
Dimensions 4.31" x 2.27" x 0.83"
(109 x 58 x 21 mm)
6" x 2.82" x 0.32"
(152 x 72 x 8.1 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
4.13" x 2.09" x 0.75"
(105 x 53 x 19.1 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

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

WCDMA: 2, 4, 5

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

5G: 2, 5, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 12, 14, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 4) LTE (Cat 4) NR (5G) 1xRTT LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
- -
Flashlight Yes Yes Yes Yes -
GPS / Location Yes n/a n/a Yes Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size Yes n/a n/a - Yes
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - Yes
Connectivity
Bluetooth Yes
Yes
Yes
Classic Audio
-
Yes
Classic Audio
Mobile Hotspot - n/a n/a - Yes *
NFC - - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
- Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a - Yes
Ringer ID Yes n/a n/a - Yes
Voice Dialing - n/a n/a Yes Yes
Customization
Changeable Body Plates - - - Yes -
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones - n/a n/a Yes Yes
Real-Music Ringers - n/a n/a - Yes
Data & Network
Data Tethering - n/a n/a - Yes
Dual-SIM - Yes Yes - -
WAP / Web Browser Yes n/a n/a - Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client Yes n/a n/a - Yes
EMS / Picture Messaging - n/a n/a Yes -
Instant Messaging Yes n/a n/a - Yes
MMS Yes n/a n/a - Yes
Text Messaging Templates Yes n/a n/a - -
Music
FM Radio Yes Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Music Player Yes n/a n/a - Yes
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - Yes Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
Voice Memo Yes n/a n/a - Yes
Software
Games - n/a n/a Yes * Yes
Voice
HD Voice Yes - Yes - Yes
Headset Jack (2.5 mm) - n/a n/a Yes -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Nuu F4L BLU Pure View Sony Xperia Pro Kyocera K404 Alcatel Go Flip 3 / SmartFlip
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Phone Nuu F4L BLU Pure View Sony Xperia Pro Kyocera K404 Alcatel Go Flip 3 / SmartFlip

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