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Alcatel 871A vs ZTE Z431

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Alcatel 871A Remove phone

Posted: 20 May 2013
Market Status: Released US carrier availability: Available - AT&T
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ZTE Z431 Remove phone

Posted: 20 Feb 2013
Market Status: Released

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Design
Device typeBasic phoneFeature phone 
Dimensions4.19 x 2.28 x 0.5 inches (106 x 58 x 13 mm)4.49 x 2.4 x 0.41 inches (114 x 61 x 10 mm) 
Weight3.16 oz (90 g)
the average is 4.9 oz (139 g)
3.34 oz (95 g)
the average is 4.9 oz (139 g)
 
Display
Physical size2.0 inches2.4 inches 
Resolution160 x 128 pixels320 x 240 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.

102 ppi167 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.

LCDTFT 
Colors262 144262 144 
Camera
Camera2 megapixels2 megapixels 
Features Digital zoom 
Hardware
Built-in storage0.050 GB0.058 GB 
Storage expansionmicroSDmicroSD, microSDHC up to 32 GB 
Battery
Talk time4.40 hours
the average is 12 h (711 min)
4.50 hours
the average is 12 h (711 min)
 
Stand-by time17.8 days (427 hours)
the average is 21 days (493 h)
12.5 days (216 hours)
the average is 21 days (493 h)
 
Capacity580 mAh1000 mAh 
specifications continue after the ad
Multimedia
RadioFM  
Speakers Earpiece 
Internet browsing
Built-in online services supportFacebook, Twitter  
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900 MHz850, 1900, 2100 MHz 
DataUMTS, EDGE, GPRSUMTS, EDGE, GPRS 
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.

A-GPS, E911GPS 
Navigation Yes 
Connectivity
Bluetooth2.02.1, EDR 
USBYesYes 
Other features
NotificationsPolyphonic ringtones, SpeakerphoneMusic ringtones, Speakerphone 
Hearing aid compatibilityM3, T3M3, T3 
Other Voice dialing, Voice commands 

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

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