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Samsung SGH-A107 vs Samsung A157

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Samsung SGH-A107

User Rating - 9.7

Posted: 19 Mar 2010
Market Status: Released US carrier availability: AT&T - Discontinued

Samsung A157

Also known as Samsung SGH-A157

Posted: 21 Feb 2012
Market Status: Released US carrier availability: AT&T - Available (since 16 Aug 2012)

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Design
Device type	Basic phone	Basic phone
Form factor	Clamshell	Clamshell
Dimensions	3.46 x 1.73 x 0.78 inches (88 x 44 x 20 mm)	3.83 x 1.84 x 0.65 inches (97 x 47 x 17 mm)
Weight	2.61 oz (74 g) the average is 4.4 oz (126 g)	2.99 oz (85 g) the average is 4.4 oz (126 g)
Design features	Numeric keypad, D-Pad

Display
Physical size	2.0 inches	1.8 inches
Resolution	128 x 128 pixels	128 x 160 pixels
Pixel density Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.	91 ppi	116 ppi
Technology Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.	CSTN	TFT
Colors	65 536	262 144

Battery
Talk time	3.00 hours the average is 10 h (626 min)	5.00 hours the average is 10 h (626 min)
Stand-by time	10.0 days (240 hours) the average is 18 days (435 h)	10.0 days (240 hours) the average is 18 days (435 h)
Capacity	800 mAh	800 mAh
Type	Li - Ion

Hardware
Processor Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.		Single core, 416 MHz
Built-in storage		256 GB

Multimedia
Music player
Supported formats		MP3, AAC, WMA, WAV, MP4, AMR, 3GP, MIDI

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Internet browsing
Browser	supports: supports: WAP 2.0

Technology
GSM	850, 1900 MHz	850, 900, 1800, 1900 MHz
UMTS		850, 1900 MHz
Data	GPRS	UMTS, EDGE, GPRS
Global Roaming		Yes

Phone features
Phonebook	Caller groups
Organizer	Calendar, Alarm, Calculator, Converter, Currency converter, World clock, Stopwatch, Countdown timer
Messaging	SMS (200 messages), Predictive text input (T9)	SMS, Predictive text input (T9, XT9)
Instant Messaging	AOL, Windows Live / MSN, Yahoo!
OTA Software updates	Yes

Other features
Notifications	Music ringtones (MP3), Polyphonic ringtones (40 voices), Vibration, Silent mode, Speakerphone	Flight mode, Speakerphone
Hearing aid compatibility	M3, T3	M4
Other		TTY/TDD

Regulatory Approval
FCC approval FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that that is sold in the U.S. has to be tested and approved for sale by the FCC.
Date approved Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission	18 Mar 2010	16 Feb 2012
	FCC ID value: A3LSGHA107 link	FCC ID value: A3LSGHA157 link
FCC measured SAR FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value.
Head	0.74 W/kg	0.34 W/kg
Measured in	1900 MHz
Body	0.64 W/kg	0.67 W/kg
Measured in	1900 MHz

Shopping information
MSRP price
	$ 80

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