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Phone	Samsung Jitterbug J / SPH-A310	Samsung SCH-U430	HTC Wildfire S (CDMA)	BlackBerry Curve 8330	ZTE Blade Max 3 / Max Blue
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.1" diag. 4 : 3	?	3.2" diag. 5 : 3	?	6" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~134 ppi) LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	1,000 mAh	1,230 mAh	1,150 mAh	4,000 mAh
Processor	?	?	600 MHz Qualcomm S4 Plus MSM8227	?	2 GHz Qualcomm Snapdragon 625 (MSM8953)
RAM	?	?	?	?	2 GB
Storage	? raw hardware	? raw hardware	512 MB	? raw hardware	16 GB
Main Camera	-	Yes	5 megapixel	2 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	WVGA / 480p	?	4K UHD
Front Camera	-	-	-	-	5 megapixel
Weight	3.99 oz (113g)	3.21 oz (91g)	3.7 oz (105g)	4.02 oz (114g)	6.34 oz (180g)
Dimensions	3.87" x 2.16" x 0.97" (98 x 55 x 24.6 mm)	3.67" x 1.85" x 0.78" (93 x 47 x 19.8 mm)	3.99" x 2.34" x 0.49" (101 x 59 x 12.4 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	BlackBerry OS	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	-	1xRTT	EVDO rA	EVDO r0	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	Yes	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	-	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes Micro-USB	Yes Mini-USB	Yes USB Type C
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 ac,b,g,n)
Contacts
Picture ID	-	Yes	n/a	n/a	n/a
Ringer ID	-	Yes	n/a	n/a	n/a
Voice Dialing	Yes	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	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	-	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	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	Yes	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	-	Yes	n/a	n/a	n/a
MMS	-	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	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
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
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Jitterbug J / SPH-A310	Samsung SCH-U430	HTC Wildfire S (CDMA)	BlackBerry Curve 8330	ZTE Blade Max 3 / Max Blue
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Jitterbug J / SPH-A310	Samsung SCH-U430	HTC Wildfire S (CDMA)	BlackBerry Curve 8330	ZTE Blade Max 3 / Max Blue