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Phone	Samsung SGH-A157	Nokia C100	Palm Pre Plus (GSM)	Samsung Transform Ultra	Motorola Rival A455
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	5.5" diag. 18 : 9	3.1" diag. 5 : 3	3.5" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~295 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	800 mAh	3,000 mAh	1,150 mAh	1,500 mAh	940 mAh
Processor	?	2 GHz MediaTek Helio A22	?	1 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	3 GB	?	?	?
Storage	256 MB	32 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	8 megapixel	3 megapixel	3 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	VGA (640 x 480)	VGA (640 x 480)	QVGA (320 x 240)
Front Camera	-	5 megapixel	-	Yes	-
Weight	2.99 oz (85g)	5.97 oz (169g)	4.89 oz (139g)	4.9 oz (139g)	4.48 oz (127g)
Dimensions	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	5.89" x 2.82" x 0.38" (150 x 72 x 9.7 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)
Form Factor	Clamshell	Slab	Slide	Slide	Slide
Platform / OS	(proprietary)	Android	webOS	Android	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 13, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900	CDMA: 850, 1900
Data Technology	?	LTE (Cat 4)	HSDPA 1.8	EVDO rA	EVDO r0
Features
Barometer	-	Yes	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Water-Resistant	-	Yes IPX2 (drip)	-	-	-
Accessibility
Adjustable Text Size	Yes	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes	Yes	-	Yes	Yes
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes USB Type C	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 5 (802.11 ac,b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	-
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	Yes
Touch Screen	-	Yes	Yes	Yes	Yes
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	-	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	Yes
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a	Yes
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	-	n/a	n/a	n/a	Yes
Games	-	n/a	n/a	n/a	Yes
Voice
HD Voice	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-A157	Nokia C100	Palm Pre Plus (GSM)	Samsung Transform Ultra	Motorola Rival A455
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A157	Nokia C100	Palm Pre Plus (GSM)	Samsung Transform Ultra	Motorola Rival A455