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Phone	LG VX-8550 Chocolate	Samsung SGH-X820	BlackBerry Z10 (CDMA)	Apple iPhone 4 (CDMA)	Alcatel Idol 4S
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	?	4.2" diag. 5 : 3	3.5" diag. 5 : 3	5.5" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	768 x 1280 pixels (~355 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~534 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	650 mAh	1,800 mAh	?	3,000 mAh
Processor	?	?	1.5 GHz Qualcomm Snapdragon S4	?	1.8 GHz Qualcomm Snapdragon 652 (MSM8976)
RAM	?	?	2 GB	?	3 GB
Storage	? raw hardware	? raw hardware	16 GB	8 GB *	32 GB
Main Camera	1 megapixel	2 megapixel	8 megapixel	5 megapixel	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	?	1080p HD	720p HD	4K UHD
Front Camera	-	-	2 megapixel	Yes	8 megapixel
Weight	3.24 oz (92g)	2.33 oz (66g)	4.78 oz (135g)	4.8 oz (136g)	5.26 oz (149g)
Dimensions	3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	5.12" x 2.58" x 0.35" (130 x 66 x 9 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry 10	iOS	Android
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	EDGE	LTE (Cat 3)	EVDO rA	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes *
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	Yes	-	Yes
USB	Yes	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	-	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	-	n/a	n/a	n/a
Dual-SIM	-	-	-	-	Yes *
External Antenna Jack	-	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	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	-	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	-	-	Yes
TV Output	-	Yes	Yes	Yes	-
Video Calling	-	-	n/a	n/a	n/a
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	Yes	-	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	LG VX-8550 Chocolate	Samsung SGH-X820	BlackBerry Z10 (CDMA)	Apple iPhone 4 (CDMA)	Alcatel Idol 4S
	X >	< X >	< X >	< X >	< X

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


Phone	LG VX-8550 Chocolate	Samsung SGH-X820	BlackBerry Z10 (CDMA)	Apple iPhone 4 (CDMA)	Alcatel Idol 4S