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Motorola C139 vs AT&T U2800A

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Motorola C139

User Rating - 7.1

Posted: 31 Mar 2006
Market Status: Released US carrier availability: Tracfone - Available (since 31 Mar 2006) AT&T - Discontinued CellularOne / Dobson - Discontinued

AT&T U2800A

User Rating - 4.3

Posted: 28 Sep 2011
Market Status: Released US carrier availability: AT&T - Discontinued

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Design
Device type		Basic phone
Form factor	Candybar	Candybar
Dimensions	3.96 x 1.79 x 0.86 inches (101 x 45.5 x 22 mm)	4.37 x 1.84 x 0.56 inches (111 x 47 x 14 mm)
Weight	3.00 oz (85 g) the average is 4.4 oz (125 g)	2.68 oz (76 g) the average is 4.4 oz (125 g)
Design features	Numeric keypad, Soft keys (2)	Numeric keypad, Soft keys (2), D-Pad

Display
Physical size		1.8 inches
Resolution	96 x 55 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.		114 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.	TFT
Colors	65 536	262 144

Battery
Talk time	11.66 hours the average is 10 h (623 min)	4.30 hours the average is 10 h (623 min)
Stand-by time	18.8 days (450 hours) the average is 18 days (434 h)	19.2 days (461 hours) the average is 18 days (434 h)
Capacity		900 mAh
Type	Li - Ion	Li - Ion

Internet browsing
Browser		supports: supports: WAP

Technology
GSM	850, 1900 MHz	850, 900, 1800, 1900 MHz
UMTS		850, 1900, 2100 MHz
Other	Other version supports GSM 900/1800 MHz
Data		HSPA (unspecified), UMTS, EDGE
Global Roaming		Yes

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Phone features
Phonebook	100 entries
Organizer	Calendar, Alarm, Calculator, Currency converter, Stopwatch	Calendar, Alarm
Messaging	SMS, Predictive text input (iTAP)	SMS, Predictive text input
E-mail		Yes
Instant Messaging		Yes
OTA Software updates		Yes
Games	Yes

Connectivity
USB		Yes
Connector		microUSB
Features		Mass storage device
Headphones connector		3.5mm

Other features
Notifications	Vibration	Polyphonic ringtones, Vibration, Phone profiles, Flight mode, Silent mode, Speakerphone
Hearing aid compatibility		M3, T3
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	31 Dec 1969

LG Optimus F3
- Posted: 21 May 2013
- OS: Android 4.1.2
- Hardware: Dual core
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
Kyocera Hydro EDGE
- Posted: 21 May 2013
- OS: Android 4.1
- Hardware: Dual core, 1000 MHz, 1024 MB RAM
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 5 megapixels
- Technology: CDMA (800 1900)
Kyocera Hydro XTRM
- Announced: yesterday
- OS: Android 4.1
- Hardware: Dual core, 1200 MHz, Krait
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 5 megapixels
- Technology: CDMA (800 1900)
- Data: LTE EV-DO Rev.A
Nokia Lumia 925
- Announced: 14 May 2013
- OS: Windows Phone 8
- Hardware: Dual core, 1500 MHz, Krait, 1024 MB RAM
- Display: 4.5 inches, 768 x 1280 pixels, Capacitive Touchscreen
- Camera 8.7 megapixels, 1920x1080 (1080p HD) video
- Battery: 18.3 hours of Talk Time, 432 hours of Stand-by
- Technology: GSM (850 900 1800 1900)
- Data: LTE Cat3 Downlink 100 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s
BlackBerry Q5
- Announced: 15 May 2013
- OS: BlackBerry
- Hardware: Dual core, 1200 MHz, 2048 MB RAM
- Display: 3.1 inches, 720 x 720 pixels, Capacitive Touchscreen
- Camera 5 megapixels
Sony Xperia ZR
- Announced: 13 May 2013
- OS: Android 4.1
- Hardware: Quad core, 1500 MHz, 2048 MB RAM
- Display: 4.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
- Camera 13 megapixels, 1920x1080 (1080p HD) video
- Technology: GSM (850 900 1800 1900)
- Data: HSPA (unspecified) UMTS EDGE GPRS
Nokia Lumia 928
- Announced: 10 May 2013
- OS: Windows Phone 8
- Hardware: Dual core, 1500 MHz, Krait, 1024 MB RAM
- Display: 4.5 inches, 768 x 1280 pixels, Capacitive Touchscreen
- Camera 8.7 megapixels, 1920x1080 (1080p HD) video
- Battery: 16.2 hours of Talk Time, 606 hours of Stand-by
- Technology: GSM (850 900 1800 1900), CDMA (800 1900)
- Data: LTE Cat3 Downlink 100 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS EV-DO Rev.A
Vertu Ti
- Posted: 09 May 2013
- OS: Android 4.0
- Hardware: Dual core, 1700 MHz, 1024 MB RAM
- Display: 3.7 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 8 megapixels, 1920x1080 (1080p HD) video
- Battery: 7.3 hours of Talk Time, 200 hours of Stand-by
- Technology: GSM (850 900 1800 1900)
- Data: HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS