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Phone Alcatel Go Flip / MyFlip Sony Xperia Z Ultra Ericsson R520 Sony Ericsson Xperia X10 mini (2010) Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Released Not yet released Released Not yet released Released
Specifications 
Display Size 2.8" diag.
4 : 3
6.4" diag.
16 : 9
? 2.6" diag.
4 : 3
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)
? 240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? 60 Hz ? 60 Hz 120 Hz
Battery 1,350 mAh 3,050 mAh ? ? 4,000 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 2.2 GHz Qualcomm Snapdragon 800 MSM8974 ? 600 MHz Qualcomm S1 MSM7227 2.8 GHz Qualcomm Snapdragon 888
RAM 512 MB 2 GB ? ? 8 GB
Storage 4 GB 16 GB ? raw hardware ? raw hardware 128 GB *
Main Camera 2 megapixel 8 megapixel - 5 megapixel 12 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 64 megapixel
Video Capture 720p HD 1080p HD - VGA (640 x 480) 8K
Front Camera - 2 megapixel - - 10 megapixel
Weight 4.1 oz
(116g)
7.48 oz
(212g)
4.23 oz
(120g)
3.11 oz
(88g)
6.03 oz
(171g)
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)
3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Android
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

WCDMA: 1, 2, 5

GSM: 850, 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

Data Technology LTE (Cat 4) LTE (Cat 4) GPRS HSPA 7.2 NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
in-display (ultrasonic)
Flashlight - - - - Yes
GPS / Location Yes n/a - n/a n/a
Ruggedized - Yes - - -
Water-Resistant - Yes - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size Yes n/a - n/a n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes - - - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
MirrorLink - Yes - - -
Mobile Hotspot Yes n/a - n/a n/a
NFC - Yes - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
- Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes - Yes
802.11 b,g
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes n/a - n/a n/a
Ringer ID Yes n/a - n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a - n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a - n/a n/a
Data & Network
Data Tethering - n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client Yes n/a - n/a n/a
Instant Messaging - n/a - n/a n/a
MMS Yes n/a - n/a n/a
Text Messaging Templates - n/a Yes n/a n/a
Music
FM Radio Yes Yes - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player Yes n/a - 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 n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a - n/a n/a
Voice Memo - n/a Yes n/a n/a
Software
Games - n/a Yes n/a n/a
Voice
HD Voice Yes - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Alcatel Go Flip / MyFlip Sony Xperia Z Ultra Ericsson R520 Sony Ericsson Xperia X10 mini (2010) Samsung Galaxy S21
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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 Sony Ericsson Xperia X10 mini (2010) Samsung Galaxy S21

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