Lenovo A390t
Technical specifications

Lenovo A390t
Main displayMain display: TFT 16M colors 480 x 800 px (4,00″) 233 ppi
OSAndroid 4.0.3 Ice Cream Sandwich
Processor Spreadtrum SC8825 1,00 GHz
BatteryLi-Ion 1500 mAh
Internal memoryInternal memory: 4 GB
RAM memoryRAM memory: 512 MB
Camera5 Mpx, 2592x1944 px






  
  
General
Dimensions: 124 x 64 x 10,2 mm
Weight: 131 g
DualSIM: Yes
GSM frequencies: 900/1800/1900
Standard battery: Li-Ion 1500 mAh
Stand-by (max.): 2G: 200 h
Talk time (max.): 2G: 4 h
Internal memory: 4 GB
RAM memory: 512 MB
Memory cards: microSD, microSDHC, max 16 GB
Operating system: Android 4.0.3 Ice Cream Sandwich
Processor: Spreadtrum SC8825 1,00 GHz


Multimedia
Main display: TFT 16M colors 480 x 800 px (4,00″) 233 ppi
Touchscreen: Yes
Digital camera: 5 Mpx, 2592x1944 px
Video: Yes
MP3: Yes
Radio: Yes

communication and messaging/data transfer
Dictionary: Yes, T9
EMS: -
MMS: Yes
Speakerphone: Yes
Voice dial: -
Call forwarding: Yes
e-mail client: Yes
RSS Reader: Yes
IrDA: -
Bluetooth: Yes
GPRS: Yes, class 12
EDGE: Yes
WiFi: Yes
Hotspot WiFi: Yes
DLNA: -
WAP: Yes, v2.0
xHTML: Yes
HSCSD: -
HSDPA: -
HSUPA: -
HSPA: -
HSPA+: -
LTE: -
NFC: -
WiMAX: -
USB Yes, v2.0
HDMI -
GPS: Yes
GLONASS: -
Push To Talk: -

Other features
Java: Yes, Dalvik
Calendar: Yes
Watch: Yes
Recorder: Yes
Alarm: Yes
Stopwatch: Yes
Organizer: Yes
Calculator: Yes
Polyphony: Yes



Glossary




Androides - an operating system used in many of the latest smartphones except for the Apple iPhone and the Windows Phone. It has been developed under Google lead since 2007. Android is the only open smartphone operating system, i.e. Android users can also acquire software from other sources - for instance apps from the Telekom Customer Center.

Bluetooth - A small very low power transmitter/receiver that allows a mobile to connect to nearby devices such as ear pieces and car loudspeakers.

EDGE (also known as Enhanced GPRS or EGPRS) is a data system used on top of GSM networks. It provides nearly three times faster speeds than the outdated GPRS system. The theoretical maximum speed is 473 kbps for 8 timeslots but it is typically limited to 135 kbps in order to conserve spectrum resources. Both phone and network must support EDGE, otherwise the phone will revert automatically to GPRS.

Wi-Fi is a WLAN (Wireless Local Area Network) technology. It provides short-range wireless high-speed data connections between mobile data devices (such as laptops, PDAs or phones) and nearby Wi-Fi access points (special hardware connected to a wired network).

The older variant of Wi-Fi, 802.11g, is capable of providing speeds of up to 54Mbps and is backwards compatible with 802.11b (providing up to 11Mbps).

The more recent standard is called 802.11n (offering speeds of up to 150Mbps per channel or up to 600Mbps in total). It can be used in the 2.4 GHz or 5 GHz frequency bands, though a receiver needs to have dual-band antenna to operate on both.

2013 saw the birth of the latest (so far) Wi-Fi ac standard. It allows for speeds of up to 500 Mbps per channel and over 1Gbps in total. Wi-Fi 802.11ac operates only on the 5GHz band.

Wi-Fi is much faster than any data technologies operating through the cellular network like GPRS, EDGE and even UMTS and HSDPA.

The range covered by a Wi-Fi access point is from 30 to 100 meters indoors while outdoors a single access point can cover about 650 meters.

Prepaid involves paying upfront for a service and receiving or using that service afterwards. Purchasing a prepaid card for cell phones tops up credit onto a cell phone. This credit can then be used for phone calls, text messages, and other services.


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