Lenovo A858 - Specification, Features.
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Basic Information Lenovo A858
Smart Phone OS:A smartphone operating system is essentially the engine that smoothly runs your smartphone; it manages both the hardware and the software to create an enjoyable user experience. Examples of smartphone operating systems include Android, BlackBerry and Windows.
SIM Card Slot:
SIM Card Type:The nanoSIM is the SIM cards fourth size standard since its inception. Designated as 4FF, or fourth form factor, it measures 12.3mm x 8.8mm x 0.67mm, a reduction of over 42 times from the SIMs inception. Most people, however, are more familiar with the 2FF SIM card, known more readily as the Regular SIM card. At 25mm x 15mm x 0.76, it is 3.4 times larger than today is current SIM cards, which offer the same features in a much more compact package. Some manufacturers still choose to use the microSIM format which, at 15mm x 12mm, is only slightly larger than the nanoSIM.
Micro SIM Card,Standard SIM Card
Hardware Lenovo A858
CPU:The central processing unit (CPU) is the unit, which performs most of the processing inside a smartphone. To control instructions and data flow to and from other parts of the smartphone.
GPU:The GPU (Graphics Processing Unit) is a specialized circuit designed to accelerate the image output in a frame buffer intended for output to a display.
RAM:Random-access memory (RAM) is a form of computer data storage. A random-access memory device allows data items to be accessed (read or written) in almost the same amount of time irrespective of the physical location of data inside the memory.
TF card up to 128GB (not included)
Network Lenovo A858
GSM 2G:2G (or 2-G) is short for second-generation wireless telephone technology. Second-generation 2G cellular telecom networks were commercially launched on the GSM standard in Finland by Radiolinja (now part of Elisa Oyj) in 1991. Three primary benefits of 2G networks over their predecessors were that phone conversations were digitally encrypted; 2G systems were significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS text messages. 2G technologies enabled the various mobile phone networks to provide the services such as text messages, picture messages, and MMS (multimedia messages). All text messages sent over 2G are digitally encrypted, allowing for the transfer of data in such a way that only the intended receiver can receive and read it.
3G Network:3G actually stands for “third generation”, as it is the third type of access technology that has been made widely commercially available for connecting mobile phones.
4G Network:4G is the fourth generation of wireless mobile telecommunications technology, succeeding 3G. A 4G system must provide capabilities defined by ITU in IMT Advanced. Potential and current applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, and 3D television.
Display Lenovo A858
Screen size:The size of a screen is usually described by the length of its diagonal, which is the distance between opposite corners, usually in inches. It is also sometimes called the physical image size to distinguish it from the "logical image size," which describes a screens display resolution and is measured in pixels.
Screen resolution:Image resolution can be measured in various ways. Basically, resolution quantifies how close lines can be to each other and still be visibly resolved. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch), to the overall size of a picture (lines per picture height, also known simply as lines, TV lines, or TVL), or to angular subtenant. Line pairs are often used instead of lines; a line pair comprises a dark line and an adjacent light line.
1280 x 720 (HD 720)
Pixels Per Inch (PPI):
Camera Lenovo A858
Dual cameras (one front one back)
8.0MP,with flash light and AF
Face Detection,HDR,Panorama Shot
Media Formats Lenovo A858
Other Features Lenovo A858
1 x Micro SIM Card Slot,1 x Standard SIM Card Slot,Micro USB Slot,TF/Micro SD Card Slot
AccelerometerAn accelerometer is an electromechanical device used to measure acceleration forces. Such forces may be static, like the continuous force of gravity or, as is the case with many mobile devices, dynamic to sense movement or vibrations.
,Ambient Light Sensor,Gravity Sensor
3G,4G,Alarm, Bluetooth, Browser, Calculator, Calendar, FM, GPS, MP3, MP4, People, Wi-Fi
Battery Lenovo A858
Battery Capacity (mAh):
1 x 2150mAh
Lithium-ion Polymer Battery
Dimensions and Weight Lenovo A858
14.00 x 7.00 x 0.70 cm / 5.51 x 2.76 x 0.28 inches
17.70 x 9.80 x 6.10 cm / 6.97 x 3.86 x 2.4 inches
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