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Specifications
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Phone	AT&T Maestro 3	Samsung SCH-i830 / IP-830w	Nokia 8801 / 8800	Samsung SCH-A570	AT&T Vista
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	6.5" diag. 20 : 9	?	?	?	5.5" diag. 18 : 9
Display Resolution & Type	720 x 1600 pixels (~270 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	208 x 208 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	3,900 mAh	?	600 mAh	?	2,450 mAh
Processor	2 GHz MediaTek Helio A22 (MT6761)	520 MHz Intel Bulverde	?	?	2 GHz MediaTek Helio A22 (MT6761V)
RAM	3 GB	?	?	?	3 GB
Storage	32 GB	? raw hardware	? raw hardware	? raw hardware	32 GB
Main Camera	13 megapixel	-	Yes	-	8 megapixel
Wide Camera	5 megapixel	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	QCIF (176 x 144)	-	1080p HD
Front Camera	5 megapixel	-	-	-	5 megapixel
Weight	6.24 oz (177g)	6.44 oz (183g)	4.82 oz (137g)	3.6 oz (102g)	5.51 oz (156g)
Dimensions	6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm)	4.49" x 2.28" x 0.97" (114 x 58 x 24.6 mm)	4.21" x 1.77" x 0.63" (107 x 45 x 16 mm)	3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)
Form Factor	Slab	Slide	Slide	Clamshell	Slab
Platform / OS	Android	Windows Mobile Professional	(proprietary)	(proprietary)	Android
Network Bands	4G LTE: 2, 4, 5, 12, 14, 30	CDMA: 850, 1900 GSM: 900, 1800	GSM: 850, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8
Data Technology	LTE (Cat 4)	EVDO r0	EDGE	1xRTT	LTE (Cat 4)
Features
Barometer	Yes	-	-	-	-
Fingerprint Reader	Yes stand-alone	-	-	-	-
Flashlight	Yes	-	-	-	Yes
GPS / Location	n/a	n/a	-	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	-
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	Yes	-	-	-
USB	Yes USB Type C	Yes	-	-	Yes USB Type C
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	-	-	Yes
Contacts
Picture ID	n/a	n/a	Yes	-	n/a
Voice Dialing	n/a	n/a	Yes	Yes	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	Yes	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	-	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	-	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	Yes	-	n/a
EMS / Picture Messaging	n/a	n/a	-	Yes	n/a
MMS	n/a	n/a	Yes	-	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	Yes	-	n/a
Stereo Speakers	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	Yes	Yes	n/a
Voice Memo	n/a	n/a	Yes	Yes	n/a
Software
BREW	n/a	n/a	-	Yes	n/a
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	-	n/a
Voice
HD Voice	Yes	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	AT&T Maestro 3	Samsung SCH-i830 / IP-830w	Nokia 8801 / 8800	Samsung SCH-A570	AT&T Vista
	X >	< X >	< X >	< X >	< X

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


Phone	AT&T Maestro 3	Samsung SCH-i830 / IP-830w	Nokia 8801 / 8800	Samsung SCH-A570	AT&T Vista