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Phone	ZTE Z998 / Unico LTE	Nokia E50	Nokia 6125	BlackBerry Storm2 9550	Samsung Delve R800
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	?	3.3" diag. 4 : 3	3" diag. 5 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	240 x 400 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,070 mAh	970 mAh	820 mAh	1,400 mAh	1,000 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	?	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	1 megapixel	3 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QCIF (176 x 144)	QCIF (176 x 144)	?	QVGA (320 x 240)
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	3.67 oz (104g)	3.46 oz (98g)	5.64 oz (160g)	3.63 oz (103g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.45" x 1.71" x 0.61" (113 x 43 x 15.5 mm)	3.54" x 1.81" x 0.93" (90 x 46 x 23.6 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	S60 (Symbian)	(proprietary)	BlackBerry OS	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	EDGE	EDGE	EVDO rA	EVDO r0
Features
GPS / Location	n/a	n/a	-	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	-
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	-	-	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	Yes	-	-
Mobile Hotspot	n/a	n/a	-	n/a	-
USB	Yes Micro-USB	Yes	Yes	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	-	n/a	Yes
Voice Dialing	n/a	n/a	Yes	n/a	Yes
Customization
Custom Graphics	n/a	n/a	Yes	n/a	Yes
Custom Ringtones	n/a	n/a	Yes	n/a	Yes
Real-Music Ringers	n/a	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	Yes
WAP / Web Browser	n/a	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	Yes
Instant Messaging	n/a	n/a	Yes	n/a	-
MMS	n/a	n/a	Yes	n/a	Yes
Text Messaging Templates	n/a	n/a	-	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	n/a	Yes	n/a	Yes
Productivity
Alarm	n/a	n/a	Yes	n/a	Yes
Calculator	n/a	n/a	-	n/a	Yes
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	Yes	n/a	-
Voice Memo	n/a	n/a	Yes	n/a	Yes
Software
BREW	n/a	n/a	-	n/a	Yes
Games	n/a	n/a	Yes	n/a	Yes
Java (J2ME)	n/a	n/a	Yes	n/a	-
Voice
Push-To-Talk	-	Yes	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Nokia E50	Nokia 6125	BlackBerry Storm2 9550	Samsung Delve R800
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Nokia E50	Nokia 6125	BlackBerry Storm2 9550	Samsung Delve R800