Karbonn A21
Pros
- Dual core processor
- Big display (4.5 inches)
- Very fast processor (1200 MHz)
- Dual SIM card support
Cons
- Lacks a standard (3.5mm) headphones jack
- Lacks an ambient light sensor for automatic screen brightness adjustment
- Lacks a proximity sensor that turns the display оff during a phone call
Description
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 (615 min)
- 5.00 hours
- Stand-by time:
- 8.3 days (200 hours)
the average is 18 days (433 h)
- 8.3 days (200 hours)
- 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
Multimedia
- Music player:
- Filter by:
- Album, Artist, Playlists
- Features:
- Album art cover, Background playback
- Supported formats:
- MP3, AAC, AAC+, WAV, AMR, MIDI
- Filter by:
- Video playback:
- Supported formats:
- MPEG4, H.263, H.264, 3GP
- Supported formats:
- Speakers:
- Loudspeaker
- Streaming:
- Audio, Video
- Broadcast Mobile TV:
- Yes
Internet browsing
- Browser:
- 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
- Voice dialing, Voice commands, Voice recording
Despite our efforts to provide full and correct Karbonn A21 specifications, there is always a possibility of making a mistake. If you see any wrong or incomplete data, please LET US KNOW.
If you are interested in using our specs commercially, check out our Phone specs database licensing page.
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