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

Phone	ZTE Z222 / Z223	Apple iPhone 4 (CDMA)	HTC HD7 / HD7S	Ericsson R520	Samsung Galaxy S 4 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	3.5" diag. 5 : 3	4.3" diag. 5 : 3	?	5" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	?	1080 x 1920 pixels (~441 ppi) AMOLED
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	900 mAh	?	1,230 mAh	?	2,600 mAh
Processor	QSC6270	?	1 GHz Qualcomm Snapdragon S1 QSD8250	?	1.9 GHz Qualcomm Snapdragon 600 8064T
RAM	64 MB	?	?	?	2 GB
Storage	128 MB	8 GB *	16 GB	? raw hardware	16 GB *
Main Camera	Yes	5 megapixel	5 megapixel	-	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	720p HD	-	1080p HD
Front Camera	-	Yes	-	-	2 megapixel
Weight	3.24 oz (92g)	4.8 oz (136g)	5.71 oz (162g)	4.23 oz (120g)	4.59 oz (130g)
Dimensions	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm)	5.12" x 1.97" x 0.63" (130 x 50 x 16 mm)	5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	iOS	Windows	(proprietary)	Android
Network Bands	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 3.6	EVDO rA	HSPA 7.2	GPRS	LTE (Cat 3)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	n/a	-	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
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	Yes Micro-USB	Yes	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	-	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	-	n/a	n/a	Yes	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
Touch Screen	-	Yes	Yes	-	Yes
Memory
Memory Card Slot	-	-	-	-	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	-	Yes
Music Player	-	n/a	n/a	-	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	-	Yes
TV Output	-	Yes	-	-	Yes
Video Calling	-	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
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z222 / Z223	Apple iPhone 4 (CDMA)	HTC HD7 / HD7S	Ericsson R520	Samsung Galaxy S 4 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z222 / Z223	Apple iPhone 4 (CDMA)	HTC HD7 / HD7S	Ericsson R520	Samsung Galaxy S 4 (GSM)