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| Phone | Samsung SPH-N270 (Matrix Phone) | Samsung SCH-U430 | Samsung Impression SGH-A877 | Samsung SPH-Z400 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | 
			3.2" diag. 5 : 3  | 
		
		
			1.9" diag. 4 : 3  | 
	
| Display Resolution & Type | 
			128 x 160 pixels LCD (TFT/TFD)  | 
		
		
			128 x 160 pixels LCD (TFT/TFD)  | 
		
		
			240 x 400 pixels (~146 ppi) AMOLED  | 
		
		
			176 x 220 pixels (~150 ppi) LCD (TFT/TFD)  | 
	
| Display Refresh | ? | ? | ? | ? | 
| Battery | 1,000 mAh | 1,000 mAh | 1,000 mAh | 1,300 mAh | 
| Processor | ? | ? | ? | ? | 
| RAM | ? | ? | ? | ? | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | - | Yes | 3 megapixel | 1 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | - | - | QVGA (320 x 240) | QCIF (176 x 144) | 
| Front Camera | - | - | - | - | 
| Weight | 
			4.66 oz (132g)  | 
		
		
			3.21 oz (91g)  | 
		
		
			5.2 oz (147g)  | 
		
		
			4.06 oz (115g)  | 
	
| Dimensions | 
			4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)  | 
		
		
			3.67" x 1.85" x 0.78" (93 x 47 x 19.8 mm)  | 
		
		
			4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm)  | 
		
		
			3.73" x 1.91" x 1" (95 x 49 x 25.4 mm)  | 
	
| Form Factor | Slide | Clamshell | Slab | Clamshell | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | 
			 CDMA: 850, 1900 AMPS: 850  | 
		
		
			 CDMA: 850, 1900  | 
		
		
			 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 CDMA: 850, 1900  | 
	
| Data Technology | - | 1xRTT | HSDPA 3.6 | EVDO rA | 
| Features | ||||
| GPS / Location | Yes | Yes | Yes | Yes | 
| Ruggedized | - | - | - | Yes | 
| Accessibility | ||||
| Adjustable Text Size | - | Yes | - | Yes | 
| Hearing Aid Compatible | - | Yes | Yes | Yes | 
| Multiple Languages | Yes | Yes | Yes | Yes | 
| TTY/TDD (Digital) | - | Yes | - | Yes | 
| Alerts | ||||
| Extra Display | - | Yes | - | Yes | 
| Ringer Profiles | - | - | Yes | - | 
| Connectivity | ||||
| Bluetooth | - | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| USB | - | - | Yes | Yes | 
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes | 
| Ringer ID | Yes | Yes | Yes | Yes | 
| Voice Dialing | Yes | Yes | - | Yes | 
| Customization | ||||
| Custom Graphics | - | Yes | Yes | Yes | 
| Custom Ringtones | - | Yes | Yes | Yes | 
| Real-Music Ringers | - | - | Yes | Yes | 
| Data & Network | ||||
| Data Tethering | - | - | Yes | Yes | 
| WAP / Web Browser | - | Yes | Yes | Yes | 
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | 
| Side Keys | - | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | - | Yes | - | 
| Touch Screen | - | - | Yes | - | 
| Memory | ||||
| Memory Card Slot | - | - | Yes | - | 
| Messaging | ||||
| Email Client | - | Yes | Yes | Yes | 
| EMS / Picture Messaging | - | Yes | - | - | 
| Instant Messaging | - | Yes | Yes | - | 
| MMS | - | Yes | Yes | - | 
| Text Messaging Templates | - | Yes | Yes | Yes | 
| Music | ||||
| Music Player | - | - | Yes | - | 
| Stereo Speakers | - | - | - | Yes | 
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes | 
| Calculator | Yes | Yes | Yes | Yes | 
| Calendar | Yes | Yes | Yes | Yes | 
| To-Do List | Yes | - | Yes | - | 
| Voice Memo | Yes | Yes | Yes | Yes | 
| Software | ||||
| BREW | - | Yes | - | - | 
| Games | - | Yes | Yes | Yes | 
| Java (J2ME) | - | - | Yes | Yes | 
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | - | Yes | 
| Push-To-Talk | - | - | - | Yes | 
| Speaker Phone | - | Yes | Yes | Yes | 
| Samsung SPH-N270 (Matrix Phone) | Samsung SCH-U430 | Samsung Impression SGH-A877 | Samsung SPH-Z400 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-N270 (Matrix Phone) | Samsung SCH-U430 | Samsung Impression SGH-A877 | Samsung SPH-Z400 | 










