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Phone Ericsson R520 Samsung SCH-A990 OnePlus 12 Huawei P8 lite AT&T Maestro 3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6.8" diag.
20 : 9
5" diag.
16 : 9
6.5" diag.
20 : 9
Display Resolution & Type ? 240 x 320 pixels
LCD (TFT/TFD)
1440 x 3168 pixels
(~510 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz 60 Hz 60 Hz
Battery ? 1,000 mAh 5,400 mAh 2,200 mAh 3,900 mAh
Processor ? ? Snapdragon 8 Gen 3 1.5 GHz Qualcomm Snapdragon 615 (MSM8939) 2 GHz MediaTek Helio A22 (MT6761)
RAM ? ? 12 GB * 2 GB 3 GB
Storage ? raw hardware ? raw hardware 256 GB * 16 GB 32 GB
Main Camera - 3 megapixel 50 megapixel 13 megapixel 13 megapixel
Wide Camera - - 48 megapixel - 5 megapixel
Tele Camera - - 64 megapixel - -
Video Capture - ? 8K 1080p HD 1080p HD
Front Camera - - 32 megapixel 5 megapixel 5 megapixel
Weight 4.23 oz
(120g)
4.4 oz
(125g)
7.76 oz
(220g)
4.62 oz
(131g)
6.24 oz
(177g)
Dimensions 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)
5.62" x 2.72" x 0.3"
(143 x 69 x 7.5 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

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

4G LTE: 2, 4, 5, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

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

Data Technology GPRS EVDO r0 NR (5G) LTE (Cat 4) LTE (Cat 4)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes
in-display (optical)
- Yes
stand-alone
Flashlight - Yes Yes Yes Yes
GPS / Location - Yes n/a n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a 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 - - - -
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes - -
USB - Yes Yes
USB Type C
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
7 (802.11 a,ac,ax,b,be,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - Yes n/a n/a n/a
Ringer ID - Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Custom Graphics - Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a n/a
Dual-SIM - - Yes Yes * -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging - 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 Yes Yes n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - Yes n/a n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Ericsson R520 Samsung SCH-A990 OnePlus 12 Huawei P8 lite AT&T Maestro 3
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Phone Ericsson R520 Samsung SCH-A990 OnePlus 12 Huawei P8 lite AT&T Maestro 3

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