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Specifications
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Phone	Apple iPhone 4 (GSM)	Huawei M835	Pantech Duo C810	Pantech Flex	Samsung SPH/SCH-N300
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	2.8" diag. 4 : 3	2.2" diag. 4 : 3	4.3" diag. 16 : 9	?
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) AMOLED	128 x 64 pixels
Display Refresh	60 Hz	60 Hz	?	60 Hz	?
Battery	?	1,200 mAh	1,320 mAh	1,830 mAh	?
Processor	Apple A4	528 MHz Qualcomm MSM7625	ARM 920t PXA27x	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?
RAM	?	?	?	1 GB	?
Storage	32 GB *	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	5 megapixel	3 megapixel	1 megapixel	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	QVGA (320 x 240)	1080p HD	-
Front Camera	Yes	-	-	2 megapixel	-
Weight	4.8 oz (136g)	3.88 oz (110g)	3.88 oz (110g)	4.66 oz (132g)	4.1 oz (116g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.09" x 2.15" x 0.53" (104 x 55 x 13.5 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	5.11" x 2.63" x 0.31" (130 x 67 x 7.9 mm)	4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm)
Form Factor	Slab	Slab	Slide	Slab	Flip
Platform / OS	iOS	Android	Windows Mobile Standard	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	HSPA 7.2	EVDO rA	HSDPA 1.8	LTE (Cat 3)	-
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	n/a	n/a	n/a	-
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes	Yes	Yes	Yes Micro-USB	-
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	-
Ringer ID	n/a	n/a	n/a	n/a	-
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	-
Custom Ringtones	n/a	n/a	n/a	n/a	-
Real-Music Ringers	n/a	n/a	n/a	n/a	-
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	n/a	n/a	n/a	n/a	-
Instant Messaging	n/a	n/a	n/a	n/a	-
MMS	n/a	n/a	n/a	n/a	-
Text Messaging Templates	n/a	n/a	n/a	n/a	-
Music
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	-
Music Player	n/a	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	-	Yes	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	Yes
Voice Memo	n/a	n/a	n/a	n/a	-
Software
Games	n/a	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Apple iPhone 4 (GSM)	Huawei M835	Pantech Duo C810	Pantech Flex	Samsung SPH/SCH-N300
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Huawei M835	Pantech Duo C810	Pantech Flex	Samsung SPH/SCH-N300