It is a flagship phone of LG for 2015. It is the successor of LG G3 in thel line-up of its G series of high end phones. It has mostly same features as the previous gen exept to its processor and camera. The present phone has Snapdragon 808 hexa core processor while the previous gen had a Snapdragon 801 Quard core processor.
It also has a bump up in its camera as the present has 16MP laser autofocus camera compared to 13MP in the previous. It has also comes with different stules like the present has a leather back hand sticked cover to give it a premium feel in hand. Overall it is just a bumped up phone as compared to the previous gen G Series mobile by LG.