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| Phone | Ericsson T66 | Kyocera Coast / Kona | Samsung SCH-A645 | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | ? | 
			2.4" diag. 4 : 3  | 
		
		? | 
| Display Resolution & Type | ? | 
			240 x 320 pixels (~167 ppi) LCD (TFT/TFD)  | 
		
		
			128 x 160 pixels LCD (STN)  | 
	
| Display Refresh | ? | ? | ? | 
| Battery | ? | 870 mAh | 1,000 mAh | 
| Processor | ? | 480 MHz Qualcomm QSC6155 | ? | 
| RAM | ? | 128 MB | ? | 
| Storage | ? raw hardware | 256 MB | ? raw hardware | 
| Main Camera | - | 2 megapixel | - | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | - | - | - | 
| Front Camera | - | - | - | 
| Weight | 
			2.08 oz (59g)  | 
		
		
			3.7 oz (105g)  | 
		
		
			3.2 oz (91g)  | 
	
| Dimensions | 
			3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)  | 
		
		
			3.94" x 2.05" x 0.68" (100 x 52 x 17.3 mm)  | 
		
		
			3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)  | 
	
| Form Factor | Slab | Clamshell | Clamshell | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | 
			 GSM: 900, 1800, 1900  | 
		
		
			 CDMA: 800, 850, 1700, 1900  | 
		
		
			 CDMA: 850, 1900 AMPS: 850  | 
	
| Data Technology | - | 1xRTT | 1xRTT | 
| Features | |||
| GPS / Location | - | Yes | Yes | 
| 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 | 
| Ringer Profiles | Yes | - | - | 
| Connectivity | |||
| Bluetooth | - | Yes | - | 
| USB | - | 
			Yes Micro-USB  | 
		
		- | 
| Contacts | |||
| Picture ID | - | Yes | Yes | 
| Ringer ID | - | Yes | - | 
| Voice Dialing | - | Yes | Yes | 
| Customization | |||
| Custom Graphics | Yes | Yes | Yes | 
| Custom Ringtones | Yes | Yes | Yes | 
| Real-Music Ringers | - | Yes | - | 
| Data & Network | |||
| WAP / Web Browser | Yes | Yes | Yes * | 
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | 
| Messaging | |||
| EMS / Picture Messaging | Yes | - | Yes | 
| MMS | - | Yes | - | 
| Text Messaging Templates | Yes | Yes | Yes | 
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - | 
| Productivity | |||
| Alarm | Yes | Yes | Yes | 
| Calculator | Yes | Yes | Yes | 
| Calendar | Yes | Yes | Yes | 
| To-Do List | Yes | - | Yes | 
| Voice Memo | - | Yes | Yes | 
| Software | |||
| BREW | - | - | Yes * | 
| Games | Yes | Yes | Yes * | 
| Java (J2ME) | - | Yes | - | 
| Voice | |||
| Headset Jack (2.5 mm) | - | - | Yes | 
| Speaker Phone | - | Yes | Yes | 
| * Some versions only | |||
| Ericsson T66 | Kyocera Coast / Kona | Samsung SCH-A645 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T66 | Kyocera Coast / Kona | Samsung SCH-A645 | 











