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Specifications
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Phone	Palm Treo 600 (CDMA)	BlackBerry Storm2 9550	Samsung SCH-A610	Asus ZenFone 4	Samsung Transform Ultra
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.3" diag. 4 : 3	?	5.5" diag. 16 : 9	3.5" diag. 5 : 3
Display Resolution & Type	160 x 160 pixels LCD (Color)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	?	1,400 mAh	1,300 mAh	3,300 mAh	1,500 mAh
Processor	?	?	?	2.2 GHz Qualcomm Snapdragon 630	1 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	?	?	4 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	64 GB	? raw hardware
Main Camera	Yes	3 megapixel	Yes	12 megapixel	3 megapixel
Wide Camera	-	-	-	Yes	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	-	4K UHD	VGA (640 x 480)
Front Camera	-	-	-	8 megapixel	Yes
Weight	6.2 oz (176g)	5.64 oz (160g)	4.23 oz (120g)	5.47 oz (155g)	4.9 oz (139g)
Dimensions	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)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm)	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slide
Platform / OS	Palm OS	BlackBerry OS	(proprietary)	Android	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900
Data Technology	1xRTT	EVDO rA	1xRTT	LTE (Cat 12)	EVDO rA
Features
Fingerprint Reader	-	-	-	Yes stand-alone	-
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes	-	Yes	Yes
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	Yes	-	Yes USB Type C	Yes
Wi-Fi	-	Yes 802.11 b,g	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	-	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
Dual-SIM	-	-	-	Yes	-
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	Yes	Yes	-	Yes	Yes
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	n/a
EMS / Picture Messaging	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	n/a	n/a	-	n/a	n/a
Photo & Video
Miracast	-	-	-	Yes	-
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
BREW	n/a	n/a	Yes	n/a	n/a
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	Palm Treo 600 (CDMA)	BlackBerry Storm2 9550	Samsung SCH-A610	Asus ZenFone 4	Samsung Transform Ultra
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 600 (CDMA)	BlackBerry Storm2 9550	Samsung SCH-A610	Asus ZenFone 4	Samsung Transform Ultra