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Phone Samsung SCH-A220 Samsung SCH-U620 Ericsson T66 Samsung Galaxy S21+
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? 6.7" diag.
20 : 9
Display Resolution & Type 128 x 128 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
? 1080 x 2400 pixels
(~393 ppi)
AMOLED
Display Refresh ? ? ? 120 Hz
Battery ? 1,000 mAh ? 4,800 mAh
Processor ? ? ? 2.8 GHz Qualcomm Snapdragon 888
RAM ? ? ? 8 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB *
Main Camera - 1 megapixel - 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 64 megapixel
Video Capture - QVGA (320 x 240) - 8K
Front Camera - - - 10 megapixel
Weight 3.25 oz
(92g)
3.74 oz
(106g)
2.08 oz
(59g)
7.13 oz
(202g)
Dimensions 2.87" x 2.09" x 0.94"
(73 x 53 x 23.9 mm)
3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.36" x 2.98" x 0.31"
(161 x 76 x 7.8 mm)
Form Factor Clamshell Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 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

Data Technology 1xRTT EVDO r0 - NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader - - - Yes
in-display (ultrasonic)
Flashlight - - - Yes
GPS / Location Yes Yes - n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) - Yes - Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth - Yes - Yes
NFC - - - Yes
USB - Yes - Yes
USB Type C
UWB - - - Yes
Wi-Fi - - - Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID - Yes - n/a
Ringer ID Yes Yes - n/a
Voice Dialing Yes Yes - n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Data & Network
Data Tethering Yes - - n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - - Yes
Capacitive
Memory
Memory Card Slot - Yes - -
Messaging
EMS / Picture Messaging - - Yes n/a
Instant Messaging - Yes - n/a
MMS - Yes - n/a
Text Messaging Templates Yes Yes Yes n/a
Music
Music Player - Yes - n/a
Stereo Speakers - Yes - Yes
Photo & Video
TV Output - - - Yes
Power
Fast Charging - - - Yes
Wireless Charging - - - Yes
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List Yes - Yes n/a
Voice Memo Yes Yes - n/a
Software
BREW - Yes - n/a
Games - Yes Yes n/a
Voice
HD Voice - - - Yes
Headset Jack (2.5 mm) Yes Yes - n/a
Speaker Phone - Yes - Yes
  Samsung SCH-A220 Samsung SCH-U620 Ericsson T66 Samsung Galaxy S21+
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A220 Samsung SCH-U620 Ericsson T66 Samsung Galaxy S21+

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