LG has confirmed plans to unveil three Optimus smartphones at the Mobile World Congress later this month, Digital Spy reported.

The Optimus L7 II Optimus L5 II and the entry-level Optimus L3 II will all be on display at the Barcelona trade show.

The L7 II spearheads the range, with a 1GHz dual-core processor, 768MB of RAM, 4GB of internal memory, a 4.3-inch IPS display, an 8-megapixel rear camera, a VGA front snapper and Google's Jelly Bean operating system on board.

Next up is the L5 II, packing a 4-inch screen and 1700mAh battery, followed by the budget L3 II with a 3.2-inch display and 1540mAh battery. Full specs for these devices will be revealed at MWC.

The new devices will replace the LG Optimus L7, Optimus L5 and Optimus L3 handsets, which were revealed at the Spanish trade show last year.

MWC 2013 takes place in Barcelona from February 25 to February 28.