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Phone	ZTE C88	HTC Droid Eris	ZTE Concord II	Palm Treo 650 (CDMA)	Casio Exilim C721
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	3.2" diag. 5 : 3	4" diag. 5 : 3	?	2.3" diag. 4 : 3
Display Resolution & Type	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~174 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	800 mAh	1,300 mAh	1,820 mAh	?	920 mAh
Processor	?	528 MHz MSM7600	1.2 GHz Qualcomm MSM8210	312 MHz Intel XScale PXA270	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	? raw hardware
Main Camera	Yes	5 megapixel	5 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	CIF (352 x 288)	720p HD	QVGA (320 x 240)	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	3.46 oz (98g)	4.43 oz (126g)	4.4 oz (125g)	6.3 oz (179g)	4.48 oz (127g)
Dimensions	3.85" x 1.92" x 0.7" (98 x 49 x 17.8 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	Android	Palm OS	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	EVDO rA	HSPA+ 21	1xRTT	EVDO rA
Features
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	n/a	n/a	Yes
Ruggedized	-	-	-	-	Yes
Water-Resistant	-	-	-	-	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	Yes
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	-	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	n/a	-
EMS / Picture Messaging	-	n/a	n/a	n/a	Yes
Instant Messaging	Yes	n/a	n/a	n/a	Yes
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	n/a	n/a	n/a	Yes
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes	n/a	n/a	n/a	Yes
Games	Yes	n/a	n/a	n/a	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	ZTE C88	HTC Droid Eris	ZTE Concord II	Palm Treo 650 (CDMA)	Casio Exilim C721
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE C88	HTC Droid Eris	ZTE Concord II	Palm Treo 650 (CDMA)	Casio Exilim C721