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Phone Nuu F4L Samsung Galaxy Z Flip 5G Nokia 3250 Siemens CX75 Nokia Lumia 810
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Not yet released Released
Specifications 
Display Size 2.8" diag.
4 : 3
6.7" diag.
22 : 9
? ? 4.3" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (STN)
1080 x 2636 pixels
(~425 ppi)
AMOLED
176 x 208 pixels
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 1,350 mAh 3,300 mAh 1,100 mAh 750 mAh 1,800 mAh
Processor 1.1 GHz MediaTek MT6731 3.1 GHz Qualcomm Snapdragon 865+ ? ? 1.5 GHz Qualcomm Snapdragon
RAM 512 MB 8 GB ? ? 1 GB
Storage 4 GB 256 GB ? raw hardware ? raw hardware 8 GB
Main Camera 2 megapixel 12 megapixel 2 megapixel 1 megapixel 8 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - - - - -
Video Capture 720p HD 4K UHD QCIF (176 x 144) ? 1080p HD
Front Camera Yes 10 megapixel - - 1 megapixel
Weight 4.5 oz
(128g)
6.46 oz
(183g)
4.06 oz
(115g)
3.46 oz
(98g)
5.11 oz
(145g)
Dimensions 4.31" x 2.27" x 0.83"
(109 x 58 x 21 mm)
3.44" x 2.9" x 0.68"
(87 x 74 x 17.3 mm)
4.06" x 1.97" x 0.75"
(103 x 50 x 19.1 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
5" x 2.69" x 0.44"
(127 x 68 x 11.2 mm)
Form Factor Clamshell Foldable Slab Slab Slab
Platform / OS (proprietary) Android S60 (Symbian) (proprietary) Windows
Network Bands

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

WCDMA: 2, 4, 5

GSM: 850, 1900

5G: 2, 5, 25, 41, 66, 71

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 29, 30, 38, 41, 48, 66, 71

WCDMA: 2, 3, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) NR (5G) EDGE GPRS HSPA+ 42
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight Yes Yes - - -
GPS / Location Yes n/a n/a - n/a
Accessibility
Adjustable Text Size Yes n/a n/a - n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
MirrorLink - Yes - - -
Mobile Hotspot - n/a n/a - n/a
NFC - Yes - - Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones - n/a n/a Yes n/a
Real-Music Ringers - n/a n/a - n/a
Data & Network
Data Tethering - n/a n/a Yes n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
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 n/a
EMS / Picture Messaging - n/a n/a Yes n/a
Instant Messaging Yes n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a - n/a
Music
FM Radio Yes - Yes - -
Headphone Jack (3.5mm) Yes - - - Yes
Music Player Yes n/a n/a Yes n/a
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - Yes
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List - n/a n/a Yes n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games - n/a n/a Yes n/a
Java (J2ME) - n/a n/a Yes n/a
Voice
HD Voice Yes Yes - - -
Push-To-Talk - - Yes * Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nuu F4L Samsung Galaxy Z Flip 5G Nokia 3250 Siemens CX75 Nokia Lumia 810
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Phone Nuu F4L Samsung Galaxy Z Flip 5G Nokia 3250 Siemens CX75 Nokia Lumia 810

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