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Specifications
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Phone	Apple iPhone 4 (GSM)	Samsung SCH-A310	LG Revolution	ZTE Grand X 3	Palm Treo 650 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	4.3" diag. 5 : 3	5.5" diag. 16 : 9	?
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	60 Hz	?
Battery	?	?	1,500 mAh	3,080 mAh	?
Processor	Apple A4	?	1 GHz Qualcomm Snapdragon S2 MSM8655	1.3 GHz Qualcomm Snapdragon 210 (MSM8909)	312 MHz Intel XScale PXA270
RAM	?	?	?	2 GB	?
Storage	32 GB *	? raw hardware	16 GB	16 GB	? raw hardware
Main Camera	5 megapixel	-	5 megapixel	8 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	720p HD	720p HD	QVGA (320 x 240)
Front Camera	Yes	-	1 megapixel	2 megapixel	-
Weight	4.8 oz (136g)	3.2 oz (91g)	6.08 oz (172g)	6 oz (170g)	6.3 oz (179g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	iOS	(proprietary)	Android	Android	Palm OS
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSPA 7.2	1xRTT	LTE (Cat 3)	LTE (Cat 4)	1xRTT
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly 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
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes	Yes	Yes	Yes USB Type C	-
Wi-Fi	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	-	n/a	n/a	n/a
Ringer ID	n/a	-	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	-	n/a	n/a	n/a
Custom Ringtones	n/a	-	n/a	n/a	n/a
Real-Music Ringers	n/a	-	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
Touch Screen	Yes Capacitive	-	Yes Capacitive	Yes Capacitive	Yes
Memory
Memory Card Slot	-	-	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
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	Yes	-	Yes	-	-
Video Calling	n/a	-	n/a	n/a	n/a
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	n/a	-	n/a	n/a	n/a
Calculator	n/a	-	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
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Samsung SCH-A310	LG Revolution	ZTE Grand X 3	Palm Treo 650 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Samsung SCH-A310	LG Revolution	ZTE Grand X 3	Palm Treo 650 (CDMA)