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Phone Sonim XP3plus Sony Xperia PRO-I Samsung SGH-A727 ZTE Z998 / Unico LTE Motorola C290
Current U.S. Carriers AT&T
T-Mobile
Verizon
(none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
6.5" diag.
21 : 9
? 4.5" diag.
16 : 9
?
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
220 x 176 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh 60 Hz 120 Hz ? 60 Hz ?
Battery 2,300 mAh 4,500 mAh ? 2,070 mAh 1,020 mAh
Processor 2 GHz Qualcomm Snapdragon 662 (SM6115) Qualcomm Snapdragon 888 ? 1.2 GHz Qualcomm Snapdragon 400 MSM8930 ?
RAM 2 GB 12 GB ? 1 GB ?
Storage 16 GB 512 GB ? raw hardware 4 GB ? raw hardware
Main Camera 8 megapixel 12 megapixel 1 megapixel 5 megapixel -
Wide Camera - 12 megapixel - - -
Tele Camera - 12 megapixel - - -
Video Capture 1080p HD 4K UHD QCIF (176 x 144) 720p HD -
Front Camera - 8 megapixel - 1 megapixel -
Weight 7.76 oz
(220g)
7.44 oz
(211g)
2.82 oz
(80g)
4.8 oz
(136g)
3.53 oz
(100g)
Dimensions 4.57" x 2.36" x 1.1"
(116 x 60 x 28 mm)
6.54" x 2.83" x 0.35"
(166 x 72 x 8.9 mm)
4.51" x 2.01" x 0.35"
(115 x 51 x 8.9 mm)
5.2" x 2.6" x 0.4"
(132 x 66 x 10.2 mm)
3.43" x 1.91" x 0.93"
(87 x 49 x 23.6 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 30, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

5G: 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 13) NR (5G) HSDPA 1.8 LTE (Cat 3) 1xRTT
Features 
Barometer Yes - - - -
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight Yes Yes - - -
GPS / Location Yes n/a - n/a Yes
Ruggedized Yes - - - -
Water-Resistant Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size Yes n/a - n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot Yes n/a - n/a -
NFC - Yes - - -
USB Yes
USB Type C
Yes
USB Type C
Yes Yes
Micro-USB
Yes
Mini-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing Yes n/a - n/a -
Customization
Custom Graphics Yes n/a Yes n/a -
Custom Ringtones - n/a Yes n/a -
Real-Music Ringers - n/a Yes n/a Yes
Data & Network
Data Tethering Yes n/a Yes n/a -
Dual-SIM - Yes - - -
External Antenna Jack - n/a - n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - n/a Yes n/a -
Instant Messaging - n/a Yes n/a -
MMS Yes n/a Yes n/a -
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player Yes n/a Yes n/a -
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
Games - n/a Yes n/a Yes
Java (J2ME) - n/a Yes n/a Yes
Voice
HD Voice Yes Yes - - -
Headset Jack (2.5 mm) - n/a - n/a Yes
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sonim XP3plus Sony Xperia PRO-I Samsung SGH-A727 ZTE Z998 / Unico LTE Motorola C290
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sonim XP3plus Sony Xperia PRO-I Samsung SGH-A727 ZTE Z998 / Unico LTE Motorola C290

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