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Phone	LG Revolution	HTC One S	Siemens A56 / A56i	Motorola T720 / T721 (GSM)	Samsung Galaxy S II Skyrocket
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	4.3" diag. 16 : 9	?	?	4.5" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) AMOLED	101 x 64 pixels	120 x 160 pixels LCD (STN)	480 x 800 pixels (~207 ppi) AMOLED
Display Refresh	60 Hz	60 Hz	?	?	60 Hz
Battery	1,500 mAh	1,650 mAh	700 mAh	?	1,850 mAh
Processor	1 GHz Qualcomm Snapdragon S2 MSM8655	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8260A	?	?	1.5 GHz Qualcomm Snapdragon S3 APQ8060
RAM	?	1 GB	?	?	1 GB
Storage	16 GB	16 GB	? raw hardware	? raw hardware	16 GB
Main Camera	5 megapixel	8 megapixel	-	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	-	-	1080p HD
Front Camera	1 megapixel	Yes	-	-	2 megapixel
Weight	6.08 oz (172g)	4.2 oz (119g)	3 oz (85g)	3.56 oz (101g)	4.71 oz (133g)
Dimensions	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	5.15" x 2.56" x 0.31" (131 x 65 x 7.9 mm)	4" x 1.7" x 0.8" (102 x 43 x 20.3 mm)	3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm)	5.12" x 2.72" x 0.35" (130 x 69 x 9 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Android	Android	(proprietary)	(proprietary)	Android
Network Bands	4G LTE: 13 CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	GSM: 850, 1900	GSM: 850, 1900	4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	HSPA+ 42	-	GPRS	LTE (Cat 3)
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	Yes	-	n/a
Accessibility
Hearing Aid Compatible	Yes	Yes	-	-	Yes
Multiple Languages	n/a	n/a	-	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
NFC	-	-	-	-	Yes
USB	Yes	Yes Micro-USB	-	-	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	-	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	-	Yes	n/a
Customization
Changeable Body Plates	-	-	Yes	Yes	-
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	-	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	Yes	-	-	Yes
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	n/a	-	Yes	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	-	-	n/a
Text Messaging Templates	n/a	n/a	-	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
Photo & Video
DLNA	Yes	Yes	-	-	Yes
TV Output	Yes	Yes	-	-	Yes
Video Calling	n/a	n/a	-	-	n/a
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	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	-	Yes	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	Yes	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	-	Yes	n/a
Speaker Phone	Yes	Yes	-	-	Yes
	LG Revolution	HTC One S	Siemens A56 / A56i	Motorola T720 / T721 (GSM)	Samsung Galaxy S II Skyrocket
	X >	< X >	< X >	< X >	< X

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


Phone	LG Revolution	HTC One S	Siemens A56 / A56i	Motorola T720 / T721 (GSM)	Samsung Galaxy S II Skyrocket