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Phone Motorola Charm Samsung SCH-A990 Motorola moto g play (2023) Microsoft Surface Duo 2 Nokia N81
Current U.S. Carriers (none) (none) Metro
Tracfone
(none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
? 6.5" diag.
20 : 9
8.3" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
2688 x 1892 pixels
(~396 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 90 Hz 90 Hz ?
Battery 1,170 mAh 1,000 mAh 5,000 mAh 4,449 mAh 1,050 mAh
Processor 720 MHz TI OMAP3410 ? MediaTek Helio G37 Qualcomm Snapdragon 888 369 MHz ARM 11
RAM ? ? 3 GB 8 GB ?
Storage ? raw hardware ? raw hardware 32 GB 128 GB * 8 GB *
Main Camera 3 megapixel 3 megapixel 16 megapixel 12 megapixel 2 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture ? ? 1080p HD 4K UHD VGA (640 x 480)
Front Camera - - 5 megapixel 12 megapixel -
Weight 3.88 oz
(110g)
4.4 oz
(125g)
7.16 oz
(203g)
10.02 oz
(284g)
4.94 oz
(140g)
Dimensions 3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.58" x 3.01" x 0.37"
(167 x 77 x 9.4 mm)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
4.02" x 1.97" x 0.7"
(102 x 50 x 17.8 mm)
Form Factor Slab Clamshell Slab Unique Slide
Platform / OS Android (proprietary) Android Android S60 (Symbian)
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EVDO r0 LTE (Cat 13) NR (5G) EDGE
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
Yes
stand-alone
-
Flashlight - Yes Yes Yes -
GPS / Location n/a Yes n/a n/a n/a
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - - Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes - Yes *
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - Yes - Yes
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers - Yes - Yes Yes
Photo & Video
Miracast - - - Yes -
TV Output - Yes - Yes -
Video Calling n/a - n/a n/a n/a
Power
Fast Charging - - Yes Yes -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a - n/a n/a n/a
Voice
HD Voice - - Yes Yes -
Push-To-Talk - - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Charm Samsung SCH-A990 Motorola moto g play (2023) Microsoft Surface Duo 2 Nokia N81
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Phone Motorola Charm Samsung SCH-A990 Motorola moto g play (2023) Microsoft Surface Duo 2 Nokia N81

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