South Korean electronics major LG on Tuesday unveiled the next iteration of its flagship Optimus L7,L5 and L3 smartphones two weeks ahead of the upcoming international mobile convention MWC(Mobile World Congress) 2013.

The company claimed that the Optimus L7 II, L5 II and L3 II smartphones are endowed with new design elements such as seamless layout, laser cut contour, radiant rear design and smart LED lighting on the home button.

"LG has a history of pushing the envelope when it comes to style and Optimus L SeriesII builds on this heritage of design innovation," said Dr Jong-seok Park, president and CEO of LG Electronics Mobile Communications Company.

He further said, "By evolving the sophisticated style and premium features of the original Optimus L Series, its sequel is expected to continue the popularity of the L Series around the world."

Key Specifications of LG Optimus L7-II Include:

Model

LG Optimus L7-II

(Dual-SIM)

Display

4.3-inch WVGA IPS

Display

OS

Android v4.1 OS (Jelly Bean)

Processor

Dual-core processor with 1GHz CPU speed

(Qualcomm MSM8225 chipset)

RAM

768MB RAM

Storage

Up to 4GB eMMC

Main camera

8.0-megapixel camera with LED flash support

Front camera

VGA camera

Battery

2,460 mAh

Size

122.2 x 66.6 x 9.7 mm

LG has confirmed that the dual-SIM version of the Optimus L7-II will be rolled out first in Russia this week.

Click here to view the new LG Optimus L series smartphones.

The company without revealing much said that Optimus L3 II will feature a 3.2-inch QVGA IPS display and 1,540 mAh battery, and the Optimus L5 successor will sport a 4.0-inch WVGA display and 1,700 mAh battery.

Details on availability and pricing of Optimus L5 II and L3 II will be announced later.