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Specifications
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Phone	Palm Treo 650 (CDMA)	Amazon Fire	ZTE Aspect	Nokia 3555	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.7" diag. 16 : 9	2.4" diag. 4 : 3	1.8" diag. 4 : 3	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels (~114 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	?	?	?	?	?
Battery	?	2,400 mAh	1,000 mAh	?	?
Processor	312 MHz Intel XScale PXA270	2.2 GHz Qualcomm Snapdragon 800	230 MHz Qualcomm QSC6270	?	?
RAM	?	2 GB	128 MB	?	?
Storage	? raw hardware	32 GB *	256 MB	? raw hardware	? raw hardware
Main Camera	Yes	13 megapixel	2 megapixel	Yes	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	1080p HD	QVGA (320 x 240)	QCIF (176 x 144)	-
Front Camera	-	2 megapixel	-	-	-
Weight	6.3 oz (179g)	5.64 oz (160g)	3.7 oz (105g)	3.32 oz (94g)	5.01 oz (142g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5.5" x 2.6" x 0.35" (140 x 66 x 8.9 mm)	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	3.94" x 1.75" x 0.83" (100 x 44 x 21 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Palm OS	(proprietary)	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	1xRTT	LTE (Cat 4)	WCDMA (UMTS)	WCDMA (UMTS)	1xRTT
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	Yes	Yes	-	n/a
Accessibility
Hearing Aid Compatible	-	Yes	Yes	Yes *	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	Yes	-	-	n/a
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	-
Contacts
Picture ID	n/a	Yes	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	Yes	-	Yes	n/a
Customization
Custom Graphics	n/a	-	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	Yes	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	-	-	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	Yes
Touch Screen	Yes	Yes	-	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	n/a	Yes	Yes	-	n/a
Instant Messaging	n/a	-	-	Yes *	n/a
MMS	n/a	Yes	Yes	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	n/a	Yes	Yes	Yes	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
Miracast	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	-	-	Yes	n/a
Voice Memo	n/a	Yes	Yes	Yes	n/a
Software
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	-	Yes	Yes	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	-	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Palm Treo 650 (CDMA)	Amazon Fire	ZTE Aspect	Nokia 3555	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Amazon Fire	ZTE Aspect	Nokia 3555	BlackBerry 7750