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Phone	Ericsson T28 World	Apple iPhone 4 (CDMA)	BlackBerry Storm2 9550	Siemens SL55	Kyocera Hydro Vibe / Icon
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.5" diag. 5 : 3	3.3" diag. 4 : 3	?	4.5" diag. 16 : 9
Display Resolution & Type	?	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	500 mAh	?	1,400 mAh	500 mAh	2,000 mAh
Processor	?	?	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8926
RAM	?	?	?	?	1.5 GB
Storage	? raw hardware	8 GB *	? raw hardware	? raw hardware	8 GB
Main Camera	-	5 megapixel	3 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	?	-	1080p HD
Front Camera	-	Yes	-	-	2 megapixel
Weight	3.14 oz (89g)	4.8 oz (136g)	5.64 oz (160g)	2.79 oz (79g)	4.9 oz (139g)
Dimensions	3.9" x 2" x 0.6" (99 x 51 x 15.2 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm)	5.02" x 2.5" x 0.43" (128 x 64 x 10.9 mm)
Form Factor	Flip	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	iOS	BlackBerry OS	(proprietary)	Android
Network Bands	GSM: 900, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900
Data Technology	-	EVDO rA	EVDO rA	GPRS	LTE (Cat 3)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	n/a	-	n/a
Ruggedized	-	-	-	-	Yes *
Water-Resistant	-	-	-	-	Yes IPX7 (snorkeling)
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	-	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	-	Yes	Yes	-	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-	Yes
Contacts
Picture ID	-	n/a	n/a	Yes	n/a
Ringer ID	-	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	-	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
WAP / Web Browser	-	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	-	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	Yes	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	-	n/a	n/a	Yes	n/a
Text Messaging Templates	-	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Photo & Video
Miracast	-	-	-	-	Yes
TV Output	-	Yes	-	-	-
Video Calling	-	n/a	n/a	-	n/a
Power
Wireless Charging	-	-	-	-	Yes *
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	-	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	Yes	n/a
Voice Memo	-	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Ericsson T28 World	Apple iPhone 4 (CDMA)	BlackBerry Storm2 9550	Siemens SL55	Kyocera Hydro Vibe / Icon
	X >	< X >	< X >	< X >	< X

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


Phone	Ericsson T28 World	Apple iPhone 4 (CDMA)	BlackBerry Storm2 9550	Siemens SL55	Kyocera Hydro Vibe / Icon