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Phone	Motorola Charm	Samsung SGH-A717	ZTE Z998 / Unico LTE	Apple iPhone 4 (GSM)	Motorola i35s
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.8" diag. 4 : 3	?	4.5" diag. 16 : 9	3.5" diag. 5 : 3	?
Display Resolution & Type	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	?
Display Refresh	60 Hz	?	60 Hz	60 Hz	?
Battery	1,170 mAh	?	2,070 mAh	?	?
Processor	720 MHz TI OMAP3410	?	1.2 GHz Qualcomm Snapdragon 400 MSM8930	Apple A4	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	4 GB	32 GB *	? raw hardware
Main Camera	3 megapixel	2 megapixel	5 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QCIF (176 x 144)	720p HD	720p HD	-
Front Camera	-	-	1 megapixel	Yes	-
Weight	3.88 oz (110g)	3.31 oz (94g)	4.8 oz (136g)	4.8 oz (136g)	8.71 oz (247g)
Dimensions	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.07" x 2.15" x 0.55" (103 x 55 x 14 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	5" x 1.9" x 1.06" (127 x 48 x 26.9 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Android	iOS	(proprietary)
Network Bands	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	iDEN: 800
Data Technology	HSDPA 3.6	HSDPA 1.8	LTE (Cat 3)	HSPA 7.2	-
Features
GPS / Location	n/a	-	n/a	n/a	-
Ruggedized	-	-	-	-	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	-
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	-	n/a	n/a	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	-
Ringer ID	n/a	Yes	n/a	n/a	-
Voice Dialing	n/a	-	n/a	n/a	-
Customization
Custom Graphics	n/a	Yes	n/a	n/a	-
Custom Ringtones	n/a	Yes	n/a	n/a	-
Real-Music Ringers	n/a	Yes	n/a	n/a	-
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	Yes	n/a	n/a	-
Instant Messaging	n/a	Yes	n/a	n/a	-
MMS	n/a	Yes	n/a	n/a	-
Text Messaging Templates	n/a	Yes	n/a	n/a	-
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	Yes	n/a	n/a	-
Photo & Video
TV Output	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	n/a	-
Calculator	n/a	Yes	n/a	n/a	-
Calendar	n/a	Yes	n/a	n/a	-
To-Do List	n/a	Yes	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	-
Software
Games	n/a	Yes	n/a	n/a	-
Java (J2ME)	n/a	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	Yes
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Charm	Samsung SGH-A717	ZTE Z998 / Unico LTE	Apple iPhone 4 (GSM)	Motorola i35s
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Charm	Samsung SGH-A717	ZTE Z998 / Unico LTE	Apple iPhone 4 (GSM)	Motorola i35s