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| Phone | Samsung SGH-X640 | Nokia C100 | Huawei W1 | Kyocera 3225 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | 
			5.5" diag. 18 : 9  | 
		
		
			4" diag. 5 : 3  | 
		
		? | 
| Display Resolution & Type | 
			128 x 160 pixels LCD (TFT/TFD)  | 
		
		
			720 x 1440 pixels (~295 ppi) LCD (TFT/TFD)  | 
		
		
			480 x 800 pixels (~233 ppi) LCD (TFT/TFD)  | 
		
		
			? LCD (Grayscale)  | 
	
| Display Refresh | ? | 60 Hz | ? | ? | 
| Battery | 800 mAh | 3,000 mAh | 1,950 mAh | ? | 
| Processor | ? | 2 GHz MediaTek Helio A22 | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 | ? | 
| RAM | ? | 3 GB | 512 MB | ? | 
| Storage | ? raw hardware | 32 GB | 4 GB | ? raw hardware | 
| Main Camera | Yes | 8 megapixel | 5 megapixel | - | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | - | 1080p HD | 720p HD | - | 
| Front Camera | - | 5 megapixel | Yes | - | 
| Weight | 
			3 oz (85g)  | 
		
		
			5.97 oz (169g)  | 
		
		
			4.41 oz (125g)  | 
		
		
			4.23 oz (120g)  | 
	
| Dimensions | 
			3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)  | 
		
		
			5.89" x 2.82" x 0.38" (150 x 72 x 9.7 mm)  | 
		
		
			4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)  | 
		
		
			3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)  | 
	
| Form Factor | Clamshell | Slab | Slab | Slab | 
| Platform / OS | (proprietary) | Android | Windows | (proprietary) | 
| Network Bands | 
			 GSM: 900, 1800, 1900  | 
		
		
			 4G LTE: 2, 4, 5, 12, 13, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 1900  | 
		
		
			 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 CDMA: 850, 1900 AMPS: 850  | 
	
| Data Technology | GPRS | LTE (Cat 4) | HSPA+ 21 | 1xRTT | 
| Features | ||||
| Barometer | - | Yes | - | - | 
| Flashlight | - | Yes | - | - | 
| GPS / Location | - | n/a | n/a | Yes | 
| Water-Resistant | - | 
			Yes IPX2 (drip)  | 
		
		- | - | 
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - | 
| Hearing Aid Compatible | - | Yes | Yes | - | 
| Multiple Languages | Yes | n/a | n/a | Yes | 
| TTY/TDD (Digital) | - | - | - | Yes | 
| Connectivity | ||||
| Bluetooth | - | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		- | 
| USB | - | 
			Yes USB Type C  | 
		
		
			Yes Micro-USB  | 
		
		- | 
| Wi-Fi | - | 
			Yes 5 (802.11 ac,b,g,n)  | 
		
		
			Yes 4 (802.11 b,g,n)  | 
		
		- | 
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - | 
| Ringer ID | Yes | n/a | n/a | - | 
| Voice Dialing | - | n/a | n/a | Yes | 
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes | 
| Custom Ringtones | Yes | n/a | n/a | Yes | 
| Real-Music Ringers | - | n/a | n/a | - | 
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes | 
| WAP / Web Browser | Yes | n/a | n/a | Yes | 
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | 
| Side Keys | Yes | Yes | Yes | - | 
| Touch Screen | - | Yes | Yes | - | 
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - | 
| Messaging | ||||
| Email Client | - | n/a | n/a | - | 
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | 
| Instant Messaging | - | n/a | n/a | - | 
| MMS | Yes | n/a | n/a | - | 
| Text Messaging Templates | Yes | n/a | n/a | - | 
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - | 
| Music Player | - | n/a | n/a | - | 
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes | 
| Calculator | Yes | n/a | n/a | Yes | 
| Calendar | Yes | n/a | n/a | Yes | 
| To-Do List | Yes | n/a | n/a | - | 
| Voice Memo | Yes | n/a | n/a | - | 
| Software | ||||
| BREW | - | n/a | n/a | Yes | 
| Games | Yes | n/a | n/a | Yes | 
| Java (J2ME) | Yes | n/a | n/a | - | 
| Voice | ||||
| HD Voice | - | Yes | - | - | 
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| Samsung SGH-X640 | Nokia C100 | Huawei W1 | Kyocera 3225 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia C100 | Huawei W1 | Kyocera 3225 | 







