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Phone	Sony Ericsson K750 / W800 / D750 / W700	Ericsson R278d	HTC Touch Pro2 (CDMA)	Motorola V551 / V330 / V547 / V555 / V557	ZTE Z998 / Unico LTE
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.6" diag. 5 : 3	?	4.5" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	101 x 40 pixels	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	900 mAh	?	1,500 mAh	820 mAh	2,070 mAh
Processor	?	?	528 MHz MSM7600	?	1.2 GHz Qualcomm Snapdragon 400 MSM8930
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	2 megapixel	-	3 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	?	?	720p HD
Front Camera	-	-	-	-	1 megapixel
Weight	3.49 oz (99g)	9.28 oz (263g)	6.35 oz (180g)	4.23 oz (120g)	4.8 oz (136g)
Dimensions	3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm)	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Windows Mobile Professional	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	TDMA: 850, 1900 AMPS: 850	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	-	EVDO rA	EDGE	LTE (Cat 3)
Features
Flashlight	Yes	-	-	-	-
GPS / Location	-	-	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	-	-	n/a	-	n/a
USB	Yes	-	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	-	n/a	Yes	n/a
Ringer ID	Yes	-	n/a	Yes	n/a
Voice Dialing	Yes	-	n/a	Yes	n/a
Customization
Custom Graphics	Yes	-	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	Yes Resistive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	Yes	-	n/a	Yes	n/a
EMS / Picture Messaging	Yes	-	n/a	Yes	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	Yes	-	n/a	Yes	n/a
Text Messaging Templates	Yes	-	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	Yes	-	n/a	-	n/a
Photo & Video
TV Output	-	-	Yes	-	-
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	-	n/a	Yes	n/a
Calendar	Yes	-	n/a	Yes	n/a
To-Do List	Yes	-	n/a	-	n/a
Voice Memo	Yes	-	n/a	Yes	n/a
Software
Games	Yes	-	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	Yes	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson K750 / W800 / D750 / W700	Ericsson R278d	HTC Touch Pro2 (CDMA)	Motorola V551 / V330 / V547 / V555 / V557	ZTE Z998 / Unico LTE
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson K750 / W800 / D750 / W700	Ericsson R278d	HTC Touch Pro2 (CDMA)	Motorola V551 / V330 / V547 / V555 / V557	ZTE Z998 / Unico LTE