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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Palm Pre Plus (GSM)	Samsung Rugby A837	Huawei W1	Samsung DoubleTime	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.1" diag. 5 : 3	2" diag. 4 : 3	4" diag. 5 : 3	3.2" diag. 5 : 3	3.5" diag. 5 : 3
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	1,150 mAh	1,000 mAh	1,950 mAh	1,200 mAh	?
Processor	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230	600 MHz Qualcomm	?
RAM	?	?	512 MB	?	?
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	8 GB *
Main Camera	3 megapixel	1 megapixel	5 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	QCIF (176 x 144)	720p HD	QVGA (320 x 240)	720p HD
Front Camera	-	-	Yes	-	Yes
Weight	4.89 oz (139g)	4.66 oz (132g)	4.41 oz (125g)	5.22 oz (148g)	4.8 oz (136g)
Dimensions	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	4.45" x 2.44" x 0.59" (113 x 62 x 15 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Slide	Clamshell	Slab	Clamshell	Slab
Platform / OS	webOS	(proprietary)	Windows	Android	iOS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSDPA 1.8	HSDPA 3.6	HSPA+ 21	HSPA 7.2	EVDO rA
Features
GPS / Location	n/a	Yes	n/a	n/a	n/a
Ruggedized	-	Yes	-	-	-
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	n/a	Yes	n/a	n/a	n/a
Instant Messaging	n/a	Yes	n/a	n/a	n/a
MMS	n/a	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	Yes
Music Player	n/a	Yes	n/a	n/a	n/a
Photo & Video
TV Output	-	-	-	-	Yes
Video Calling	n/a	-	n/a	n/a	n/a
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	-	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Palm Pre Plus (GSM)	Samsung Rugby A837	Huawei W1	Samsung DoubleTime	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Pre Plus (GSM)	Samsung Rugby A837	Huawei W1	Samsung DoubleTime	Apple iPhone 4 (CDMA)