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Specifications
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Phone	HP iPAQ 510 Voice Messenger	Apple iPhone 3GS	Kyocera 3225	Motorola i35s	Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	AT&T Cricket
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	3.5" diag. 5 : 3	?	?	6.1" diag. 19.5 : 9
Display Resolution & Type	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	? LCD (Grayscale)	?	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	1,100 mAh	?	?	?	3,000 mAh
Processor	200 MHz TI OMAP 850	?	?	?	2 GHz MediaTek Helio A22 (MT6761WB)
RAM	?	?	?	?	3 GB
Storage	? raw hardware	32 GB *	? raw hardware	? raw hardware	64 GB
Main Camera	1 megapixel	3 megapixel	-	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	VGA (640 x 480)	-	-	?
Front Camera	-	-	-	-	5 megapixel
Weight	3.6 oz (102g)	4.76 oz (135g)	4.23 oz (120g)	8.71 oz (247g)	5.64 oz (160g)
Dimensions	4.21" x 1.91" x 0.64" (107 x 49 x 16.3 mm)	4.55" x 2.44" x 0.48" (116 x 62 x 12.3 mm)	3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)	5" x 1.9" x 1.06" (127 x 48 x 26.9 mm)	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	Windows Mobile Standard	iOS	(proprietary)	(proprietary)	Android
Network Bands	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	iDEN: 800	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8
Data Technology	EDGE	HSPA 7.2	1xRTT	-	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	n/a	Yes	-	n/a
Ruggedized	-	-	-	Yes	-
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
USB	Yes Mini-USB	Yes	-	Yes	Yes USB Type C
Wi-Fi	Yes 802.11 b,g	Yes 802.11 b,g	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	n/a	n/a	-	-	n/a
Ringer ID	n/a	n/a	-	-	n/a
Voice Dialing	n/a	n/a	Yes	-	n/a
Customization
Custom Graphics	n/a	n/a	Yes	-	n/a
Custom Ringtones	n/a	n/a	Yes	-	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	n/a	-	-	n/a
EMS / Picture Messaging	n/a	n/a	Yes	-	n/a
MMS	n/a	n/a	-	-	n/a
Text Messaging Templates	n/a	n/a	-	-	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
Photo & Video
TV Output	-	Yes	-	-	-
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	n/a	n/a	Yes	-	n/a
Calculator	n/a	n/a	Yes	-	n/a
Calendar	n/a	n/a	Yes	-	n/a
To-Do List	n/a	n/a	-	-	n/a
Voice Memo	n/a	n/a	-	-	n/a
Software
BREW	n/a	n/a	Yes	-	n/a
Games	n/a	n/a	Yes	-	n/a
Java (J2ME)	n/a	n/a	-	-	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	Yes	Yes	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	HP iPAQ 510 Voice Messenger	Apple iPhone 3GS	Kyocera 3225	Motorola i35s	Cricket Debut S2 / AT&T Calypso 4
	X >	< X >	< X >	< X >	< X

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


Phone	HP iPAQ 510 Voice Messenger	Apple iPhone 3GS	Kyocera 3225	Motorola i35s	Cricket Debut S2 / AT&T Calypso 4