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Phone	Sony Ericsson K850	ZTE Speed	LG eXpo GW820	Samsung SCH-R211	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	4.5" diag. 16 : 9	3.2" diag. 5 : 3	1.5" diag. 1 : 1	3.5" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	480 x 800 pixels (~292 ppi) LCD (TFT/TFD)	128 x 128 pixels (~121 ppi) LCD (STN)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	2,000 mAh	1,500 mAh	800 mAh	?
Processor	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	8 GB *
Main Camera	5 megapixel	5 megapixel	5 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	?	-	720p HD
Front Camera	-	2 megapixel	-	-	Yes
Weight	4.2 oz (119g)	4.8 oz (136g)	5.2 oz (147g)	2.73 oz (77g)	4.8 oz (136g)
Dimensions	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	4.45" x 2.16" x 0.63" (113 x 55 x 16 mm)	4.07" x 1.77" x 0.59" (103 x 45 x 15 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Professional	(proprietary)	iOS
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900
Data Technology	HSDPA 3.6	LTE (Cat 3)	HSPA 7.2	1xRTT	EVDO rA
Features
Fingerprint Reader	-	-	Yes	-	-
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes	-	Yes	Yes
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Ringer Profiles	Yes	-	Yes	-	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-	Yes Classic Audio
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	-	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes	Yes	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	Yes	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	Yes	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	Yes	n/a	n/a	-	n/a
Photo & Video
TV Output	-	-	Yes	-	Yes
Video Calling	Yes *	n/a	n/a	-	n/a
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	-	n/a
Software
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	-	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson K850	ZTE Speed	LG eXpo GW820	Samsung SCH-R211	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson K850	ZTE Speed	LG eXpo GW820	Samsung SCH-R211	Apple iPhone 4 (CDMA)