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Karbonn A21

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Karbonn A21

Posted: 16 Jan 2013
Market Status: Released

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Design
Device type	Smart phone
OS	Android (4.0)
Form factor	Candybar
Colors	White

Display
Physical size	4.5 inches
Resolution	480 x 800 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.	207 ppi
Touchscreen	Capacitive, Multi-touch

Battery
Talk time	5.00 hours the average is 10 h (626 min)
Stand-by time	8.3 days (200 hours) the average is 18 days (435 h)
Capacity	1800 mAh

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.	Dual core, 1200 MHz
Built-in storage	4 GB
Storage expansion	microSD, microSDHC up to 32 GB

Camera
Camera	5 megapixels
Flash	LED
Features	Auto focus, Face detection
Camcorder	Yes
Front-facing camera	1.3 megapixels

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Multimedia
Music player
Filter by	Album, Artist, Playlists
Features	Album art cover, Background playback
Supported formats	MP3, AAC, AAC+, WAV, AMR, MIDI
Video playback
Supported formats	MPEG4, H.263, H.264, 3GP
Speakers	Loudspeaker
Streaming	Audio, Video
Broadcast Mobile TV	Yes

Internet browsing
Browser	supports: supports: HTML, WAP
Built-in online services support	YouTube (upload), Picasa

Technology
GSM	900, 1800, 1900 MHz
UMTS	2100 MHz
Data	HSDPA 7.2 Mbit/s, UMTS, EDGE, GPRS
Multiple SIM cards	2 slots
Global Roaming	Yes
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, A-GPS
Navigation	Yes

Phone features
Phonebook	Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID
Organizer	Alarm, Calculator, World clock, Stopwatch
Messaging	SMS, MMS, Threaded view, Predictive text input
E-mail	IMAP, POP3, SMTP
Instant Messaging	Google Talk
Games	Yes

Connectivity
Bluetooth	Yes
Wi-Fi	802.11 b, g, n
USB	Yes
Connector	microUSB
Features	Mass storage device, USB charging

Other features
Notifications	Music ringtones, Vibration
Other	Voice dialing, Voice commands, Voice recording

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