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Phone	Cal-Comp EZ	BlackBerry 7750	Samsung SGH-A157	Samsung SPH-A760 / RL-A760	Samsung Galaxy Stratosphere II
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	1.8" diag. 4 : 3	?	4" diag. 5 : 3
Display Resolution & Type	128 x 128 pixels LCD (STN)	240 x 240 pixels LCD (Color)	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	?	800 mAh	1,000 mAh	1,800 mAh
Processor	?	?	?	?	1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	256 MB	? raw hardware	8 GB
Main Camera	-	-	-	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	-	-	720p HD
Front Camera	-	-	-	-	1 megapixel
Weight	2.47 oz (70g)	5.01 oz (142g)	2.99 oz (85g)	3.8 oz (108g)	5.43 oz (154g)
Dimensions	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	3.5" x 1.8" x 1" (89 x 46 x 25.4 mm)	4.97" x 2.58" x 0.53" (126 x 66 x 13.5 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Slide
Platform / OS	(proprietary)	BlackBerry OS	(proprietary)	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	1xRTT	?	1xRTT	LTE (Cat 3)
Features
GPS / Location	Yes	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	Yes	-	n/a
Hearing Aid Compatible	-	-	Yes M4 (very compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	-	-	-	Yes
Mobile Hotspot	-	n/a	-	-	n/a
NFC	-	-	-	-	Yes
USB	Yes Mini-USB	Yes	Yes Micro-USB	-	Yes
Wi-Fi	-	-	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	-	n/a	Yes	Yes	n/a
Ringer ID	-	n/a	Yes	Yes	n/a
Voice Dialing	-	n/a	-	Yes	n/a
Customization
Custom Graphics	-	n/a	Yes	Yes	n/a
Custom Ringtones	-	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	Yes	-	n/a
Data & Network
Data Tethering	-	n/a	-	-	n/a
WAP / Web Browser	-	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	-	n/a	Yes	Yes	n/a
Side Keys	-	Yes	-	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	-	-	Yes
Messaging
Email Client	-	n/a	-	-	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	-	n/a	Yes	-	n/a
Text Messaging Templates	Yes	n/a	Yes	-	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	-	n/a	-	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
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	Yes	n/a	Yes	Yes	n/a
Voice Memo	Yes *	n/a	Yes	Yes	n/a
Software
Games	-	n/a	-	Yes	n/a
Java (J2ME)	-	n/a	-	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	-	Yes	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	-	-	Yes	Yes	Yes
	* Some versions only
	Cal-Comp EZ	BlackBerry 7750	Samsung SGH-A157	Samsung SPH-A760 / RL-A760	Samsung Galaxy Stratosphere II
	X >	< X >	< X >	< X >	< X

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


Phone	Cal-Comp EZ	BlackBerry 7750	Samsung SGH-A157	Samsung SPH-A760 / RL-A760	Samsung Galaxy Stratosphere II