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ZTE Z431 vs Samsung SGH-A177 Size compare

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ZTE Z431 Remove phone

Posted: 20 Feb 2013
Market Status: Released
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Samsung SGH-A177 Remove phone

Posted: 11 May 2009
Market Status: Released

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Design
Device typeFeature phone  
Dimensions4.49 x 2.4 x 0.41 inches (114 x 61 x 10 mm)4.29 x 2.32 x 0.47 inches (109 x 59 x 12 mm) 
Weight3.34 oz (95 g)
the average is 5.3 oz (152 g)
3.09 oz (88 g)
the average is 5.3 oz (152 g)
 
ColorsBlack  
Display
Physical size2.4 inches2.2 inches 
Resolution320 x 240 pixels220 x 176 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.

167 ppi128 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.

TFTTFT 
Screen-to-body ratio25.66 %23.72 % 
Camera
Camera2 megapixels0.3 megapixels VGA 
FeaturesDigital zoom  
Hardware
Built-in storage0.058 GB0.064 GB 
Storage expansionmicroSD, microSDHC up to 32 GB  
Battery
Talk time4.50 hours
the average is 14 h (870 min)
5.00 hours
the average is 14 h (870 min)
 
Stand-by time12.5 days (216 hours)
the average is 17 days (414 h)
10.0 days (240 hours)
the average is 17 days (414 h)
 
Capacity1000 mAh800 mAh 
specifications continue after the ad
Multimedia
SpeakersEarpiece  
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900, 2100 MHz  
DataUMTS, EDGE, GPRSEDGE 
Positioning

Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.

GPS  
NavigationYes  
Connectivity
Bluetooth2.1, EDR2.0 
USBYes  
Other features
NotificationsMusic ringtones, SpeakerphonePolyphonic ringtones, Vibration, Phone profiles, Speakerphone 
Hearing aid compatibilityM3, T3  
OtherVoice dialing, Voice commandsVoice recording 
Availability
Officially announced 30 Mar 2009 
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

 26 Mar 2009 
 FCC ID value: A3LSGHA177 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.

   
Head1.04 W/kg0.72 W/kg 
Measured in 1900 MHz 
Body1.37 W/kg1.05 W/kg 
Measured in 1900 MHz 

To see the full specifications with in-depth details click here.

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