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Phone Motorola i35s Motorola Charm Samsung SCH-A990 Microsoft Surface Duo 2 Google Pixel 3a XL
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
4 : 3
? 8.3" diag.
4 : 3
6" diag.
18 : 9
Display Resolution & Type ? 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
2688 x 1892 pixels
(~396 ppi)
AMOLED
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? 60 Hz ? 90 Hz 60 Hz
Battery ? 1,170 mAh 1,000 mAh 4,449 mAh 3,700 mAh
Processor ? 720 MHz TI OMAP3410 ? Qualcomm Snapdragon 888 2 GHz Qualcomm Snapdragon 670
RAM ? ? ? 8 GB 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * 64 GB
Main Camera - 3 megapixel 3 megapixel 12 megapixel 12 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture - ? ? 4K UHD 4K UHD
Front Camera - - - 12 megapixel 8 megapixel
Weight 8.71 oz
(247g)
3.88 oz
(110g)
4.4 oz
(125g)
10.02 oz
(284g)
5.89 oz
(167g)
Dimensions 5" x 1.9" x 1.06"
(127 x 48 x 26.9 mm)
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)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
Form Factor Slab Slab Clamshell Unique Slab
Platform / OS (proprietary) Android (proprietary) Android Android
Network Bands

iDEN: 800

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology - HSDPA 3.6 EVDO r0 NR (5G) LTE (Cat 11)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - Yes
stand-alone
Yes
stand-alone
Flashlight - - Yes Yes Yes
GPS / Location - n/a Yes n/a n/a
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
NFC - - - Yes Yes
USB Yes Yes
Micro-USB
Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - n/a Yes n/a n/a
Ringer ID - n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics - n/a Yes n/a n/a
Custom Ringtones - n/a Yes n/a n/a
Real-Music Ringers - n/a Yes n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes 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 - -
Messaging
Email Client - n/a - n/a n/a
EMS / Picture Messaging - n/a Yes n/a n/a
Instant Messaging - n/a - n/a n/a
MMS - n/a Yes n/a n/a
Text Messaging Templates - n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a Yes n/a n/a
Stereo Speakers - - Yes Yes Yes
Photo & Video
Miracast - - - Yes -
TV Output - - Yes Yes -
Power
Fast Charging - - - Yes Yes
Productivity
Alarm - n/a Yes n/a n/a
Calculator - n/a Yes n/a n/a
Calendar - n/a Yes n/a n/a
Voice Memo - n/a Yes n/a n/a
Software
BREW - n/a Yes n/a n/a
Games - n/a Yes n/a n/a
Voice
Call Screening - - - - Yes
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes n/a - n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Motorola i35s Motorola Charm Samsung SCH-A990 Microsoft Surface Duo 2 Google Pixel 3a XL
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Phone Motorola i35s Motorola Charm Samsung SCH-A990 Microsoft Surface Duo 2 Google Pixel 3a XL

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