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| Phone | Motorola C290 | Sonim XP3plus | Samsung SCH-A310 | 
| Current U.S. Carriers | (none) | Verizon | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | ? | 
			2.8" diag. 4 : 3  | 
		
		? | 
| Display Resolution & Type | 
			128 x 160 pixels LCD (STN)  | 
		
		
			240 x 320 pixels (~143 ppi) LCD (TFT/TFD)  | 
		
		
			128 x 128 pixels LCD (Grayscale)  | 
	
| Display Refresh | ? | 60 Hz | ? | 
| Battery | 1,020 mAh | 2,300 mAh | ? | 
| Processor | ? | 2 GHz Qualcomm Snapdragon 662 (SM6115) | ? | 
| RAM | ? | 2 GB | ? | 
| Storage | ? raw hardware | 16 GB | ? raw hardware | 
| Main Camera | - | 8 megapixel | - | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | - | 1080p HD | - | 
| Front Camera | - | - | - | 
| Weight | 
			3.53 oz (100g)  | 
		
		
			7.76 oz (220g)  | 
		
		
			3.2 oz (91g)  | 
	
| Dimensions | 
			3.43" x 1.91" x 0.93" (87 x 49 x 23.6 mm)  | 
		
		
			4.57" x 2.36" x 1.1" (116 x 60 x 28 mm)  | 
		
		
			3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)  | 
	
| Form Factor | Clamshell | Clamshell | Clamshell | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | 
			 CDMA: 850, 1900 AMPS: 850  | 
		
		
			 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  | 
		
		
			 CDMA: 850, 1900 AMPS: 850  | 
	
| Data Technology | 1xRTT | LTE (Cat 13) | 1xRTT | 
| Features | |||
| Barometer | - | Yes | - | 
| Flashlight | - | Yes | - | 
| GPS / Location | Yes | Yes | Yes | 
| Ruggedized | - | Yes | - | 
| Water-Resistant | - | 
			Yes IPX8 (SCUBA)  | 
		
		- | 
| Accessibility | |||
| Adjustable Text Size | - | Yes | - | 
| Hearing Aid Compatible | Yes | Yes | - | 
| Multiple Languages | Yes | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | - | 
| Alerts | |||
| Extra Display | - | Yes | Yes | 
| Connectivity | |||
| Bluetooth | - | 
			Yes Classic Audio  | 
		
		- | 
| Mobile Hotspot | - | Yes | - | 
| USB | 
			Yes Mini-USB  | 
		
		
			Yes USB Type C  | 
		
		Yes | 
| Wi-Fi | - | 
			Yes 5 (802.11 a,ac,b,g,n)  | 
		
		- | 
| Contacts | |||
| Picture ID | Yes | Yes | - | 
| Ringer ID | Yes | Yes | - | 
| Voice Dialing | - | Yes | Yes | 
| Customization | |||
| Changeable Body Plates | - | - | Yes | 
| Custom Graphics | - | Yes | - | 
| Real-Music Ringers | Yes | - | - | 
| Data & Network | |||
| Data Tethering | - | Yes | Yes | 
| External Antenna Jack | Yes | - | - | 
| WAP / Web Browser | Yes | Yes | Yes | 
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | 
| Memory | |||
| Memory Card Slot | - | Yes | - | 
| Messaging | |||
| MMS | - | Yes | - | 
| Text Messaging Templates | Yes | Yes | - | 
| Music | |||
| FM Radio | - | Yes | - | 
| Headphone Jack (3.5mm) | - | Yes | - | 
| Music Player | - | Yes | - | 
| Productivity | |||
| Alarm | Yes | Yes | - | 
| Calculator | Yes | Yes | - | 
| Calendar | Yes | Yes | Yes | 
| Voice Memo | Yes | Yes | Yes | 
| Software | |||
| Games | Yes | - | Yes | 
| Java (J2ME) | Yes | - | - | 
| Voice | |||
| HD Voice | - | Yes | - | 
| Headset Jack (2.5 mm) | Yes | - | Yes | 
| Push-To-Talk | - | Yes | - | 
| Speaker Phone | Yes | Yes | - | 
| Motorola C290 | Sonim XP3plus | Samsung SCH-A310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola C290 | Sonim XP3plus | Samsung SCH-A310 | 











