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Phone Sanyo Katana / SCP-6600 Samsung Galaxy Fold Samsung MM-A940 Samsung Galaxy A21
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 7.3" diag.
4 : 3
? 6.5" diag.
20 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
1536 x 2152 pixels
(~362 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery 820 mAh 4,380 mAh ? 4,000 mAh
Processor ? 2.8 GHz Qualcomm Snapdragon 855 ? 2 GHz MediaTek Helio P35 (MT6765)
RAM ? 12 GB ? 3 GB
Storage ? raw hardware 512 GB ? raw hardware 32 GB
Main Camera Yes 12 megapixel 2 megapixel 16 megapixel
Wide Camera - 16 megapixel - 8 megapixel
Tele Camera - 12 megapixel - -
Video Capture - 4K UHD ? 1080p HD
Front Camera - 10 megapixel - 13 megapixel
Weight 3.4 oz
(96g)
9.74 oz
(276g)
4.9 oz
(139g)
6.81 oz
(193g)
Dimensions 3.88" x 2.02" x 0.58"
(99 x 51 x 14.7 mm)
6.33" x 2.47" x 0.67"
(161 x 63 x 17 mm)
3.68" x 1.83" x 1.01"
(93 x 46 x 25.7 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
Form Factor Clamshell Foldable Clamshell Slab
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 18) EVDO r0 LTE (Cat 6)
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
- Yes
stand-alone
Flashlight - Yes - Yes
GPS / Location Yes n/a Yes n/a
Accessibility
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages - n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
MirrorLink - Yes - -
NFC - Yes - Yes
USB Yes Yes
USB Type C
- Yes
USB Type C
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Data & Network
Data Tethering Yes n/a Yes n/a
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes
Messaging
Text Messaging Templates - n/a Yes n/a
Music
Headphone Jack (3.5mm) - - - Yes
Music Player - n/a Yes n/a
Stereo Speakers - Yes - -
Photo & Video
TV Output - Yes - -
Power
Fast Charging - Yes - Yes
Wireless Charging - Yes - -
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo Yes n/a Yes n/a
Software
Games Yes n/a Yes n/a
Java (J2ME) Yes n/a Yes n/a
Voice
Call Screening Yes - - -
HD Voice - Yes - Yes
Headset Jack (2.5 mm) - n/a Yes n/a
Speaker Phone Yes Yes Yes Yes
  Sanyo Katana / SCP-6600 Samsung Galaxy Fold Samsung MM-A940 Samsung Galaxy A21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sanyo Katana / SCP-6600 Samsung Galaxy Fold Samsung MM-A940 Samsung Galaxy A21

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