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Phone Alcatel Go Flip / MyFlip Sony Xperia Z Ultra Ericsson R520 Samsung Galaxy S21 Samsung SPH-N270 (Matrix Phone)
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
6.4" diag.
16 : 9
? 6.2" diag.
20 : 9
?
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
? 1080 x 2400 pixels
(~424 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 120 Hz ?
Battery 1,350 mAh 3,050 mAh ? 4,000 mAh 1,000 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 2.2 GHz Qualcomm Snapdragon 800 MSM8974 ? 2.8 GHz Qualcomm Snapdragon 888 ?
RAM 512 MB 2 GB ? 8 GB ?
Storage 4 GB 16 GB ? raw hardware 128 GB * ? raw hardware
Main Camera 2 megapixel 8 megapixel - 12 megapixel -
Wide Camera - - - 12 megapixel -
Tele Camera - - - 64 megapixel -
Video Capture 720p HD 1080p HD - 8K -
Front Camera - 2 megapixel - 10 megapixel -
Weight 4.1 oz
(116g)
7.48 oz
(212g)
4.23 oz
(120g)
6.03 oz
(171g)
4.66 oz
(132g)
Dimensions 4.13" x 2.08" x 0.74"
(105 x 53 x 18.7 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 4) LTE (Cat 4) GPRS NR (5G) -
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
in-display (ultrasonic)
-
Flashlight - - - Yes -
GPS / Location Yes n/a - n/a Yes
Ruggedized - Yes - - -
Water-Resistant - Yes - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size Yes n/a - n/a -
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes - - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - Yes - -
MirrorLink - Yes - - -
Mobile Hotspot Yes n/a - n/a -
NFC - Yes - Yes -
USB Yes
Micro-USB
Yes
Micro-USB
- Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes - Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a - n/a Yes
Ringer ID Yes n/a - n/a Yes
Voice Dialing - n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a - n/a -
Custom Ringtones Yes n/a Yes n/a -
Real-Music Ringers Yes n/a - n/a -
Data & Network
Data Tethering - n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a -
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - Yes - Yes -
Memory
Memory Card Slot Yes Yes - - -
Messaging
Email Client Yes n/a - n/a -
Instant Messaging - n/a - n/a -
MMS Yes n/a - n/a -
Text Messaging Templates - n/a Yes n/a -
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) Yes Yes - - -
Music Player Yes n/a - n/a -
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a - n/a Yes
Voice Memo - n/a Yes n/a Yes
Software
Games - n/a Yes n/a -
Voice
HD Voice Yes - - Yes -
Headset Jack (2.5 mm) - n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes -
  Alcatel Go Flip / MyFlip Sony Xperia Z Ultra Ericsson R520 Samsung Galaxy S21 Samsung SPH-N270 (Matrix Phone)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Alcatel Go Flip / MyFlip Sony Xperia Z Ultra Ericsson R520 Samsung Galaxy S21 Samsung SPH-N270 (Matrix Phone)

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