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Phone	Cal-Comp EZ	Sony Ericsson Z520 / Z525	Audiovox CDM-8900	Motorola Citrus	HTC Droid Eris
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	3" diag. 4 : 3	3.2" diag. 5 : 3
Display Resolution & Type	128 x 128 pixels LCD (STN)	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	?	1,000 mAh	1,150 mAh	1,300 mAh
Processor	?	?	?	?	528 MHz MSM7600
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	Yes	Yes	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	-	CIF (352 x 288)	CIF (352 x 288)
Front Camera	-	-	-	-	-
Weight	2.47 oz (70g)	3.46 oz (98g)	3.28 oz (93g)	3.88 oz (110g)	4.43 oz (126g)
Dimensions	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm)	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Android
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	GPRS	1xRTT	EVDO r0	EVDO rA
Features
GPS / Location	Yes	-	Yes	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	-	Yes
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
USB	Yes Mini-USB	Yes	Yes	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	-	-	Yes 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	-	Yes	Yes	n/a	n/a
Ringer ID	-	Yes	Yes	n/a	n/a
Voice Dialing	-	Yes	Yes	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	-	Yes	Yes	n/a	n/a
Custom Ringtones	-	Yes	Yes	n/a	n/a
Real-Music Ringers	-	Yes	-	n/a	n/a
Data & Network
Data Tethering	-	Yes	Yes	n/a	n/a
WAP / Web Browser	-	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	-	Yes	Yes	n/a	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	-	Yes	Yes
Messaging
Email Client	-	Yes	-	n/a	n/a
EMS / Picture Messaging	-	Yes	Yes	n/a	n/a
Instant Messaging	-	-	-	n/a	n/a
MMS	-	Yes	-	n/a	n/a
Text Messaging Templates	Yes	Yes	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	-	-	n/a	n/a
Productivity
Alarm	Yes	Yes	Yes	n/a	n/a
Calculator	Yes	Yes	Yes	n/a	n/a
Calendar	Yes	Yes	Yes	n/a	n/a
To-Do List	Yes	Yes	-	n/a	n/a
Voice Memo	Yes *	Yes	Yes	n/a	n/a
Software
BREW	-	-	Yes *	n/a	n/a
Games	-	Yes	Yes	n/a	n/a
Java (J2ME)	-	Yes	Yes *	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	-	Yes	n/a	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Cal-Comp EZ	Sony Ericsson Z520 / Z525	Audiovox CDM-8900	Motorola Citrus	HTC Droid Eris
	X >	< X >	< X >	< X >	< X

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


Phone	Cal-Comp EZ	Sony Ericsson Z520 / Z525	Audiovox CDM-8900	Motorola Citrus	HTC Droid Eris