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Phone	ZTE Aspect	Motorola Charm	Motorola i830 / i833 / i835 / i836	Nokia N81	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	2.8" diag. 4 : 3	?	2.4" diag. 4 : 3	?
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,000 mAh	1,170 mAh	?	1,050 mAh	1,000 mAh
Processor	230 MHz Qualcomm QSC6270	720 MHz TI OMAP3410	?	369 MHz ARM 11	?
RAM	128 MB	?	?	?	?
Storage	256 MB	? raw hardware	? raw hardware	8 GB *	? raw hardware
Main Camera	2 megapixel	3 megapixel	-	2 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	-	VGA (640 x 480)	?
Front Camera	-	-	-	-	-
Weight	3.7 oz (105g)	3.88 oz (110g)	3.94 oz (112g)	4.94 oz (140g)	4.4 oz (125g)
Dimensions	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	3.35" x 1.77" x 0.79" (85 x 45 x 20.1 mm)	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Slab	Slab	Clamshell	Slide	Clamshell
Platform / OS	(proprietary)	Android	(proprietary)	S60 (Symbian)	(proprietary)
Network Bands	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	iDEN: 800	WCDMA: 1 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	WCDMA (UMTS)	HSDPA 3.6	-	EDGE	EVDO r0
Features
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	Yes	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	-	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	Yes	n/a	-	n/a	Yes
Data & Network
Data Tethering	-	n/a	Yes	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
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	-	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	Yes *	Yes
Messaging
Email Client	Yes	n/a	-	n/a	-
EMS / Picture Messaging	-	n/a	-	n/a	Yes
Instant Messaging	-	n/a	-	n/a	-
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	-	n/a	Yes
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	-
Music Player	Yes	n/a	-	n/a	Yes
Stereo Speakers	-	-	-	Yes	Yes
Photo & Video
TV Output	-	-	-	-	Yes
Video Calling	-	n/a	-	n/a	-
Productivity
Alarm	Yes	n/a	-	n/a	Yes
Calculator	Yes	n/a	-	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	-	n/a	-	n/a	-
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	-	n/a	-	n/a	Yes
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	Yes	n/a	Yes	n/a	-
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	-
Push-To-Talk	-	-	Yes	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Aspect	Motorola Charm	Motorola i830 / i833 / i835 / i836	Nokia N81	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	ZTE Aspect	Motorola Charm	Motorola i830 / i833 / i835 / i836	Nokia N81	Samsung SCH-A990