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Specifications
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Phone	Apple iPhone 4 (GSM)	TCL 40 XL / Jitterbug Smart 4	Samsung Chrono	Samsung SCH-A310	BlackBerry Curve 3G 9330
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	6.8" diag. 20 : 9	2" diag. 4 : 3	?	2.5" diag. 4 : 3
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	720 x 1600 pixels (~260 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	90 Hz	?	?	?
Battery	?	5,000 mAh	?	?	1,150 mAh
Processor	Apple A4	2.3 GHz MediaTek Helio G37	?	?	?
RAM	?	4 GB	?	?	?
Storage	32 GB *	128 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	50 megapixel	Yes	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	-	-	?
Front Camera	Yes	8 megapixel	-	-	-
Weight	4.8 oz (136g)	6.88 oz (195g)	3.14 oz (89g)	3.2 oz (91g)	3.7 oz (105g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm)	3.7" x 1.83" x 0.67" (94 x 46 x 17 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Slab
Platform / OS	iOS	Android	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900 *	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	HSPA 7.2	LTE (Cat 6)	1xRTT	1xRTT	EVDO r0
Features
Barometer	-	Yes	-	-	-
Fingerprint Reader	-	Yes	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes	Yes USB Type C	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	-	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	n/a	Yes	-	n/a
Ringer ID	n/a	n/a	Yes	-	n/a
Voice Dialing	n/a	n/a	Yes	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	n/a	Yes	-	n/a
Custom Ringtones	n/a	n/a	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	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	Yes Capacitive	-	-	-
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	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
Stereo Speakers	-	Yes	-	-	-
Photo & Video
TV Output	Yes	-	-	-	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	Yes	-	n/a
Calculator	n/a	n/a	Yes	-	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	-	n/a
Voice Memo	n/a	n/a	Yes	Yes	n/a
Software
BREW	n/a	n/a	Yes	-	n/a
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	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
	* Some versions only
	Apple iPhone 4 (GSM)	TCL 40 XL / Jitterbug Smart 4	Samsung Chrono	Samsung SCH-A310	BlackBerry Curve 3G 9330
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	TCL 40 XL / Jitterbug Smart 4	Samsung Chrono	Samsung SCH-A310	BlackBerry Curve 3G 9330