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Phone	ZTE Grand X 3	Motorola i830 / i833 / i835 / i836	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Sony Ericsson Xperia X10 mini (2010)	Sony Ericsson K850
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	5.5" diag. 16 : 9	?	?	2.6" diag. 4 : 3	2.2" diag. 4 : 3
Display Resolution & Type	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	3,080 mAh	?	1,490 mAh	?	?
Processor	1.3 GHz Qualcomm Snapdragon 210 (MSM8909)	?	400 MHz Intel XScale	600 MHz Qualcomm S1 MSM7227	?
RAM	2 GB	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	-	Yes	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	QCIF (176 x 144)	VGA (640 x 480)	?
Front Camera	2 megapixel	-	-	-	-
Weight	6 oz (170g)	3.94 oz (112g)	7.41 oz (210g)	3.11 oz (88g)	4.2 oz (119g)
Dimensions	6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm)	3.35" x 1.77" x 0.79" (85 x 45 x 20.1 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)
Form Factor	Slab	Clamshell	Slide	Slab	Slab
Platform / OS	Android	(proprietary)	Windows Mobile Professional	Android	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	iDEN: 800	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 4)	-	GPRS	HSPA 7.2	HSDPA 3.6
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	Yes	n/a	n/a	-
Accessibility
Hearing Aid Compatible	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	-	-
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
USB	Yes USB Type C	Yes	Yes	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	Yes
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	Yes	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	Yes
Instant Messaging	n/a	-	n/a	n/a	-
MMS	n/a	Yes	n/a	n/a	Yes
Text Messaging Templates	n/a	-	n/a	n/a	Yes
Music
FM Radio	-	-	-	Yes	Yes
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	n/a	n/a	Yes
Photo & Video
Video Calling	n/a	-	n/a	n/a	Yes *
Power
Fast Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	-	n/a	n/a	Yes
Calculator	n/a	-	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	-	n/a	n/a	Yes
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	Yes
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	-
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Grand X 3	Motorola i830 / i833 / i835 / i836	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Sony Ericsson Xperia X10 mini (2010)	Sony Ericsson K850
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Grand X 3	Motorola i830 / i833 / i835 / i836	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Sony Ericsson Xperia X10 mini (2010)	Sony Ericsson K850