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Phone	Motorola Citrus	Palm Pre (CDMA)	ZTE Z998 / Unico LTE	HTC EVO Design 4G / Hero S (CDMA)	Samsung Wafer R510
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3" diag. 4 : 3	3.1" diag. 5 : 3	4.5" diag. 16 : 9	4" diag. 16 : 9	1.9" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	60 Hz	?
Battery	1,150 mAh	1,150 mAh	2,070 mAh	1,520 mAh	800 mAh
Processor	?	TI OMAP 3430	1.2 GHz Qualcomm Snapdragon 400 MSM8930	1.2 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	?	1 GB	768 MB	?
Storage	? raw hardware	? raw hardware	4 GB	4 GB	? raw hardware
Main Camera	3 megapixel	3 megapixel	5 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	?	720p HD	720p HD	?
Front Camera	-	-	1 megapixel	1 megapixel	-
Weight	3.88 oz (110g)	4.76 oz (135g)	4.8 oz (136g)	5.22 oz (148g)	2.47 oz (70g)
Dimensions	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	Android	webOS	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	CDMA: 850, 1900
Data Technology	EVDO r0	EVDO rA	LTE (Cat 3)	WiMAX	EVDO r0
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	-
Wi-Fi	Yes 802.11 b,g	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	-
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	-
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	-
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	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 Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	-
Instant Messaging	n/a	n/a	n/a	n/a	-
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	-
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	n/a	n/a	n/a	n/a	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	-
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Citrus	Palm Pre (CDMA)	ZTE Z998 / Unico LTE	HTC EVO Design 4G / Hero S (CDMA)	Samsung Wafer R510
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Citrus	Palm Pre (CDMA)	ZTE Z998 / Unico LTE	HTC EVO Design 4G / Hero S (CDMA)	Samsung Wafer R510