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Phone Sonim XP7 Microsoft Surface Duo 2 Samsung SPH-A250
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Not yet released
Specifications 
Display Size 4" diag.
5 : 3
8.3" diag.
4 : 3
?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
2688 x 1892 pixels
(~396 ppi)
AMOLED
?
Display Refresh 60 Hz 90 Hz ?
Battery 4,800 mAh 4,449 mAh ?
Processor 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) Qualcomm Snapdragon 888 ?
RAM 1 GB 8 GB ?
Storage 16 GB 128 GB * ? raw hardware
Main Camera 8 megapixel 12 megapixel -
Wide Camera - 16 megapixel -
Tele Camera - 12 megapixel -
Video Capture 1080p HD 4K UHD -
Front Camera 1 megapixel 12 megapixel -
Weight 10.23 oz
(290g)
10.02 oz
(284g)
2.82 oz
(80g)
Dimensions 5.4" x 2.84" x 0.84"
(137 x 72 x 21.3 mm)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
2.76" x 1.91" x 0.83"
(70 x 49 x 21.1 mm)
Form Factor Slab Unique Clamshell
Platform / OS Android Android (proprietary)
Network Bands

4G LTE: 1, 2, 4, 5, 7, 8, 12, 17

WCDMA: 1, 2, 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

CDMA: 1900

Data Technology LTE (Cat 3) NR (5G) -
Features 
Fingerprint Reader - Yes
stand-alone
-
Flashlight Yes Yes -
GPS / Location n/a n/a -
Ruggedized Yes - -
Water-Resistant Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a n/a -
Hearing Aid Compatible Yes Yes -
Multiple Languages n/a n/a -
TTY/TDD (Digital) Yes - -
Connectivity
Bluetooth Yes Yes -
Mobile Hotspot n/a n/a -
NFC Yes Yes -
USB Yes Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID n/a n/a -
Ringer ID n/a n/a -
Voice Dialing n/a n/a Yes
Customization
Custom Graphics n/a n/a -
Custom Ringtones n/a n/a -
Real-Music Ringers n/a n/a -
Data & Network
Data Tethering n/a n/a Yes
Dual-SIM - Yes -
WAP / Web Browser n/a n/a Yes
Input
Predictive Text Entry n/a n/a Yes
Side Keys Yes Yes Yes
Touch Screen Yes Yes -
Messaging
Email Client n/a n/a -
Instant Messaging n/a n/a -
MMS n/a n/a -
Music
FM Radio Yes - -
Headphone Jack (3.5mm) Yes - -
Music Player n/a n/a -
Stereo Speakers - Yes -
Photo & Video
Miracast - Yes -
TV Output - Yes -
Power
Fast Charging - Yes -
Productivity
Alarm n/a n/a Yes
Calculator n/a n/a Yes
Calendar n/a n/a Yes
To-Do List n/a n/a Yes
Voice Memo n/a n/a -
Software
Games n/a n/a -
Voice
HD Voice - Yes -
Headset Jack (2.5 mm) n/a n/a Yes
Push-To-Talk Yes - -
Speaker Phone Yes Yes -
  Sonim XP7 Microsoft Surface Duo 2 Samsung SPH-A250
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Phone Sonim XP7 Microsoft Surface Duo 2 Samsung SPH-A250

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