US carrier availabilityDiscontinued: T-Mobile
- Resistive touchscreen technology means its display is less sensitive than you would like it to be
- Lacks an ambient light sensor for automatic screen brightness adjustment
- 4.27 x 2.11 x 0.54 inches (108 x 54 x 14 mm)
the average is 5.3 oz (150 g) 3.70 oz (105 g)
- 3.70 oz (105 g)
- Physical size:
- 3.0 inches
- 240 x 400 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.
- 155 ppi
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.
- Screen-to-body ratio:
- 44.07 %
- 262 144
- 3 megapixels
- Digital zoom
- Storage expansion:
- microSD, microSDHC
- Talk time:
the average is 15 h (890 min) 6.50 hours
- 6.50 hours
- Stand-by time:
the average is 18 days (434 h) 18.0 days (432 hours)
- 18.0 days (432 hours)
- 1200 mAh
- 850, 900, 1800, 1900 MHz
- 1700/2100, 2100 MHz
- EDGE, UMTS, HSDPA 3.6 Mbit/s
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.
- 2.1, EDR
- USB 2.0
- Computer sync
- Music ringtones (MP3), Vibration, Phone profiles, Speakerphone
- Voice dialing, Voice commands, Voice recording
- Officially announced:
- 15 Jul 2009
This device is also known as Samsung Spark, Samsung SGH-T749
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