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Phone	Samsung Intensity II	Microsoft Lumia 550	Cal-Comp EZ	ZTE Z431 / Altair	BlackBerry 6510
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	4.7" diag. 16 : 9	?	2.4" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	160 x 100 pixels
Display Refresh	?	?	?	?	?
Battery	1,000 mAh	2,100 mAh	800 mAh	1,000 mAh	900 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	-	2 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	-	QVGA (320 x 240)	-
Front Camera	-	2 megapixel	-	-	-
Weight	4.1 oz (116g)	5.01 oz (142g)	2.47 oz (70g)	3.52 oz (100g)	5.64 oz (160g)
Dimensions	4.87" x 2.87" x 0.59" (124 x 73 x 15 mm)	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm)	4.53" x 2.95" x 0.95" (115 x 75 x 24.1 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	iDEN: 800
Data Technology	1xRTT	LTE (Cat 4)	1xRTT	?	-
Features
Flashlight	-	Yes	-	-	-
GPS / Location	Yes	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	Yes	n/a	-	-	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M3, T4 (very tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	-
Mobile Hotspot	-	n/a	-	-	n/a
USB	Yes	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	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	-	-	n/a
Customization
Custom Graphics	Yes	n/a	-	Yes	n/a
Custom Ringtones	Yes	n/a	-	Yes	n/a
Real-Music Ringers	Yes	n/a	-	Yes	n/a
Data & Network
Data Tethering	-	n/a	-	Yes	n/a
WAP / Web Browser	Yes	n/a	-	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	-	Yes	n/a
Side Keys	Yes	Yes	-	Yes	-
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	Yes	n/a	-	Yes	n/a
Instant Messaging	Yes	n/a	-	-	n/a
MMS	Yes	n/a	-	Yes	n/a
Text Messaging Templates	Yes	n/a	Yes	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	Yes	n/a	-	Yes	n/a
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	-	n/a	Yes	-	n/a
Voice Memo	-	n/a	Yes *	Yes	n/a
Software
BREW	Yes	n/a	-	Yes	n/a
Games	Yes	n/a	-	Yes	n/a
Java (J2ME)	-	n/a	-	-	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	Yes	-	n/a
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	-	Yes	-
	* Some versions only
	Samsung Intensity II	Microsoft Lumia 550	Cal-Comp EZ	ZTE Z431 / Altair	BlackBerry 6510
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Intensity II	Microsoft Lumia 550	Cal-Comp EZ	ZTE Z431 / Altair	BlackBerry 6510