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Phone AT&T Maestro 3 Ericsson R520 Samsung SCH-A990 OnePlus 12 Sanyo SCP-2400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? ? 6.8" diag.
20 : 9
?
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
? 240 x 320 pixels
LCD (TFT/TFD)
1440 x 3168 pixels
(~510 ppi)
AMOLED
128 x 160 pixels
LCD (STN)
Display Refresh 60 Hz ? ? 120 Hz ?
Battery 3,900 mAh ? 1,000 mAh 5,400 mAh ?
Processor 2 GHz MediaTek Helio A22 (MT6761) ? ? Snapdragon 8 Gen 3 ?
RAM 3 GB ? ? 12 GB * ?
Storage 32 GB ? raw hardware ? raw hardware 256 GB * ? raw hardware
Main Camera 13 megapixel - 3 megapixel 50 megapixel -
Wide Camera 5 megapixel - - 48 megapixel -
Tele Camera - - - 64 megapixel -
Video Capture 1080p HD - ? 8K -
Front Camera 5 megapixel - - 32 megapixel -
Weight 6.24 oz
(177g)
4.23 oz
(120g)
4.4 oz
(125g)
7.76 oz
(220g)
3.5 oz
(99g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.47" x 2.98" x 0.36"
(164 x 76 x 9.1 mm)
3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS Android (proprietary) (proprietary) Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 6, 8, 19

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 4) GPRS EVDO r0 NR (5G) 1xRTT
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- - Yes
in-display (optical)
-
Flashlight Yes - Yes Yes -
GPS / Location n/a - Yes n/a Yes
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M3 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) - - Yes - Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - Yes - - -
NFC - - - Yes -
USB Yes
USB Type C
- Yes Yes
USB Type C
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
7 (802.11 a,ac,ax,b,be,g,n)
-
Contacts
Picture ID n/a - Yes n/a Yes
Ringer ID n/a - Yes n/a Yes
Voice Dialing n/a Yes Yes n/a Yes
Customization
Custom Graphics n/a - Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - Yes n/a -
Data & Network
Data Tethering n/a Yes Yes n/a Yes
Dual-SIM - - - Yes -
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
-
Memory
Memory Card Slot Yes - Yes - -
Messaging
EMS / Picture Messaging n/a - Yes n/a -
MMS n/a - Yes n/a -
Text Messaging Templates n/a Yes Yes n/a Yes
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 -
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
Voice Memo n/a Yes Yes n/a Yes
Software
BREW n/a - Yes n/a -
Games n/a Yes Yes n/a Yes
Java (J2ME) n/a - - n/a Yes
Voice
Call Screening - - - - Yes
HD Voice Yes - - Yes -
Headset Jack (2.5 mm) n/a - - n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  AT&T Maestro 3 Ericsson R520 Samsung SCH-A990 OnePlus 12 Sanyo SCP-2400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Maestro 3 Ericsson R520 Samsung SCH-A990 OnePlus 12 Sanyo SCP-2400

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