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Phone	Samsung SCH-A990	ZTE Blade Z Max	Palm Treo 600 (CDMA)	BlackBerry Storm2 9550
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	?	6" diag. 16 : 9	?	3.3" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?
Battery	1,000 mAh	4,080 mAh	?	1,400 mAh
Processor	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?	?
RAM	?	2 GB	?	?
Storage	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	16 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	?	1080p HD	-	?
Front Camera	-	8 megapixel	-	-
Weight	4.4 oz (125g)	6.58 oz (186g)	6.2 oz (176g)	5.64 oz (160g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Palm OS	BlackBerry OS
Network Bands	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	LTE (Cat 6)	1xRTT	EVDO rA
Features
Fingerprint Reader	-	Yes stand-alone	-	-
Flashlight	Yes	Yes	-	-
GPS / Location	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-
Ringer Profiles	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes
Infrared (IR)	-	-	Yes	-
USB	Yes	Yes USB Type C	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-
Touch Screen	-	Yes Capacitive	Yes	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a
Music
FM Radio	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes
Music Player	Yes	n/a	n/a	n/a
Stereo Speakers	Yes	-	-	-
Photo & Video
TV Output	Yes	-	-	-
Power
Fast Charging	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a
To-Do List	-	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a
Software
BREW	Yes	n/a	n/a	n/a
Games	Yes	n/a	n/a	n/a
Java (J2ME)	-	n/a	n/a	n/a
Voice
HD Voice	-	Yes	-	-
Headset Jack (2.5 mm)	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes
	Samsung SCH-A990	ZTE Blade Z Max	Palm Treo 600 (CDMA)	BlackBerry Storm2 9550
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SCH-A990	ZTE Blade Z Max	Palm Treo 600 (CDMA)	BlackBerry Storm2 9550