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Phone Sonim XP3 Ericsson T66 Huawei Ascend XT Microsoft Surface Duo 2
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.6" diag.
4 : 3
? 6" diag.
16 : 9
8.3" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
? 720 x 1280 pixels
(~245 ppi)
LCD (TFT/TFD)
2688 x 1892 pixels
(~396 ppi)
AMOLED
Display Refresh ? ? 60 Hz 90 Hz
Battery 1,500 mAh ? 3,000 mAh 4,449 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 1.5 GHz Qualcomm Snapdragon 615 (MSM8939) Qualcomm Snapdragon 888
RAM 1 GB ? 2 GB 8 GB
Storage 8 GB ? raw hardware 16 GB 128 GB *
Main Camera 5 megapixel - 8 megapixel 12 megapixel
Wide Camera - - - 16 megapixel
Tele Camera - - - 12 megapixel
Video Capture ? - 720p HD 4K UHD
Front Camera - - 2 megapixel 12 megapixel
Weight 6.88 oz
(195g)
2.08 oz
(59g)
7.27 oz
(206g)
10.02 oz
(284g)
Dimensions 4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.45" x 3.3" x 0.35"
(164 x 84 x 8.9 mm)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
Form Factor Clamshell Slab Slab Unique
Platform / OS (proprietary) (proprietary) Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

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

WCDMA: 1, 2, 5

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

Data Technology LTE (Cat 4) - LTE (Cat 4) NR (5G)
Features 
Barometer Yes - - -
Fingerprint Reader - - - Yes
stand-alone
Flashlight Yes - Yes Yes
GPS / Location Yes - n/a n/a
Ruggedized Yes - - -
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size Yes - n/a n/a
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display Yes - - -
Ringer Profiles Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Mobile Hotspot Yes - n/a n/a
NFC - - - Yes
USB Yes
USB Type C
- Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Ringer ID Yes - n/a n/a
Voice Dialing Yes - n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Data & Network
Data Tethering Yes - n/a n/a
Dual-SIM Yes - - Yes
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes Yes
Memory
Memory Card Slot Yes - Yes -
Messaging
EMS / Picture Messaging - Yes n/a n/a
MMS Yes - n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
FM Radio Yes - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player Yes - n/a n/a
Stereo Speakers - - - Yes
Photo & Video
Miracast - - - Yes
TV Output - - - Yes
Power
Fast Charging - - - Yes
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List - Yes n/a n/a
Voice Memo Yes - n/a n/a
Software
Games - Yes n/a n/a
Voice
HD Voice Yes - Yes Yes
Push-To-Talk Yes - - -
Speaker Phone Yes - Yes Yes
  Sonim XP3 Ericsson T66 Huawei Ascend XT Microsoft Surface Duo 2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sonim XP3 Ericsson T66 Huawei Ascend XT Microsoft Surface Duo 2

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