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Phone	Apple iPhone 4 (GSM)	HTC SDA (USA) / SP5m (Tornado)	ZTE F160	Palm Treo 650 (GSM)	Coolpad Quattro 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	2.2" diag. 4 : 3	2.4" diag. 4 : 3	?	4" diag. 5 : 3
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	?	?	900 mAh	?	1,600 mAh
Processor	Apple A4	?	?	312 MHz Intel XScale PXA270	?
RAM	?	?	?	?	?
Storage	32 GB *	? raw hardware	? raw hardware	? raw hardware	512 MB
Main Camera	5 megapixel	1 megapixel	3 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QCIF (176 x 144)	QCIF (176 x 144)	CIF (352 x 288)	VGA (640 x 480)
Front Camera	Yes	-	-	-	Yes
Weight	4.8 oz (136g)	3.74 oz (106g)	2.96 oz (84g)	6.3 oz (179g)	3.31 oz (94g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm)	4.57" x 1.93" x 0.44" (116 x 49 x 11.2 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	iOS	Windows Mobile Standard	(proprietary)	Palm OS	Android
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	HSPA 7.2	EDGE	HSDPA 3.6	EDGE	LTE (Cat 3)
Features
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes	-	Yes	-	Yes
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes Classic Audio	Yes	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	-	Yes	-	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes Mini-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes	-	-	Yes
Contacts
Picture ID	n/a	n/a	-	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	-	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	-	n/a	n/a
External Antenna Jack	n/a	n/a	-	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes	-	-	Yes	Yes
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	Yes	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	n/a	n/a	Yes	n/a	n/a
Photo & Video
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	-	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	HTC SDA (USA) / SP5m (Tornado)	ZTE F160	Palm Treo 650 (GSM)	Coolpad Quattro 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	HTC SDA (USA) / SP5m (Tornado)	ZTE F160	Palm Treo 650 (GSM)	Coolpad Quattro 4G