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Specifications
	X >	< X >	< X >	< X >	< X

Phone	ZTE Z998 / Unico LTE	Samsung Knack U310	Samsung Gusto	HTC Merge	Samsung Glyde U940
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	2.2" diag. 4 : 3	2" diag. 4 : 3	3.8" diag. 5 : 3	2.8" diag. 16.5 : 9
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	128 x 160 pixels (~102 ppi) LCD (TFT/TFD)	480 x 800 pixels (~246 ppi) LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,070 mAh	1,000 mAh	?	1,400 mAh	1,000 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	800 MHz Qualcomm S2 MSM7630	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	-	Yes	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	-	720p HD	QVGA (320 x 240)
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	3.63 oz (103g)	3.27 oz (93g)	6.98 oz (198g)	4.2 oz (119g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	3.99" x 1.86" x 0.56" (101 x 47 x 14.2 mm)	4.74" x 2.43" x 0.59" (120 x 62 x 15 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)
Form Factor	Slab	Clamshell	Clamshell	Slide	Slide
Platform / OS	Android	(proprietary)	(proprietary)	Android	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	-	1xRTT	EVDO rA	EVDO r0
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	Yes	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	Yes	Yes	n/a	-
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)
Multiple Languages	n/a	Yes	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	-	n/a	-
USB	Yes Micro-USB	-	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	-	Yes	n/a	Yes
Ringer ID	n/a	-	Yes	n/a	Yes
Voice Dialing	n/a	Yes	Yes	n/a	Yes
Customization
Custom Graphics	n/a	-	Yes	n/a	Yes
Custom Ringtones	n/a	-	Yes	n/a	Yes
Real-Music Ringers	n/a	-	-	n/a	Yes
Data & Network
Data Tethering	n/a	-	-	n/a	Yes
WAP / Web Browser	n/a	-	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	Yes
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	-
EMS / Picture Messaging	n/a	Yes	-	n/a	-
Instant Messaging	n/a	-	Yes	n/a	-
MMS	n/a	-	Yes	n/a	Yes
Text Messaging Templates	n/a	-	Yes	n/a	Yes
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	-	n/a	Yes
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
Voice Memo	n/a	-	Yes	n/a	-
Software
BREW	n/a	-	Yes	n/a	Yes
Games	n/a	-	Yes	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	Yes	Yes	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Samsung Knack U310	Samsung Gusto	HTC Merge	Samsung Glyde U940
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Samsung Knack U310	Samsung Gusto	HTC Merge	Samsung Glyde U940