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Phone	Apple iPhone 4 (GSM)	Samsung Knack U310	Cricket Debut Smart	Samsung Nexus S 4G	ZTE F160
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	2.2" diag. 4 : 3	5.5" diag. 18 : 9	4" diag. 5 : 3	2.4" diag. 4 : 3
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	60 Hz	?
Battery	?	1,000 mAh	2,500 mAh	1,500 mAh	900 mAh
Processor	Apple A4	?	2 GHz MediaTek Helio A22 (MT6761V)	1 GHz Samsung Hummingbird Cortex A8	?
RAM	?	?	3 GB	?	?
Storage	32 GB *	? raw hardware	32 GB	16 GB	? raw hardware
Main Camera	5 megapixel	-	5 megapixel	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	1080p HD	WVGA / 480p	QCIF (176 x 144)
Front Camera	Yes	-	5 megapixel	Yes	-
Weight	4.8 oz (136g)	3.63 oz (103g)	5.64 oz (160g)	4.62 oz (131g)	2.96 oz (84g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	5.87" x 2.83" x 0.38" (149 x 72 x 9.7 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4.57" x 1.93" x 0.44" (116 x 49 x 11.2 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	iOS	(proprietary)	Android	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5	4G WiMAX: 41 CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	-	LTE (Cat 4)	WiMAX	HSDPA 3.6
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	Yes	n/a	n/a	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	-
NFC	-	-	-	Yes	-
USB	Yes	-	Yes USB Type C	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	-	n/a	n/a	-
Ringer ID	n/a	-	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	-
Customization
Custom Graphics	n/a	-	n/a	n/a	Yes
Custom Ringtones	n/a	-	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	-	n/a	n/a	-
WAP / Web Browser	n/a	-	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
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	n/a	-
EMS / Picture Messaging	n/a	Yes	n/a	n/a	-
Instant Messaging	n/a	-	n/a	n/a	Yes
MMS	n/a	-	n/a	n/a	Yes
Text Messaging Templates	n/a	-	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	Yes
Music Player	n/a	-	n/a	n/a	Yes
Photo & Video
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
Voice Memo	n/a	-	n/a	n/a	Yes
Software
Games	n/a	-	n/a	n/a	Yes
Java (J2ME)	n/a	-	n/a	n/a	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Samsung Knack U310	Cricket Debut Smart	Samsung Nexus S 4G	ZTE F160
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Samsung Knack U310	Cricket Debut Smart	Samsung Nexus S 4G	ZTE F160