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Specifications
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Phone	Palm Pre Plus (GSM)	Samsung SPH-A520	ZTE Blade Z Max	BlackBerry 8830	Palm Treo Pro (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.1" diag. 5 : 3	?	6" diag. 16 : 9	?	?
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	? LCD (STN)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	1,150 mAh	?	4,080 mAh	1,400 mAh	1,500 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?	400 MHz MSM7201
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	-	16 megapixel	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	-	1080p HD	-	?
Front Camera	-	-	8 megapixel	-	-
Weight	4.89 oz (139g)	3.6 oz (102g)	6.58 oz (186g)	4.6 oz (130g)	4.69 oz (133g)
Dimensions	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	3.46" x 1.83" x 0.91" (88 x 46 x 23.1 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm)
Form Factor	Slide	Clamshell	Slab	Slab	Slab
Platform / OS	webOS	(proprietary)	Android	BlackBerry OS	Windows Mobile Professional
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 GSM: 900, 1800 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 1.8	1xRTT	LTE (Cat 6)	EVDO r0	HSDPA 3.6
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
USB	Yes Micro-USB	-	Yes USB Type C	Yes	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	Yes Resistive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	n/a	-	n/a	n/a	n/a
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Palm Pre Plus (GSM)	Samsung SPH-A520	ZTE Blade Z Max	BlackBerry 8830	Palm Treo Pro (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Pre Plus (GSM)	Samsung SPH-A520	ZTE Blade Z Max	BlackBerry 8830	Palm Treo Pro (GSM)