LG K51S official Pictures. LG K51S is a Smartphone of lg. The LG K51S Android Smartphone. Announced Feb 2020. Features 6.55″ Display MT6765 Helio P35 Chipset 4000 MAh Battery 64 GB Storage 3 GB RAM MIL-STD-810G Compliant Scratch-resistant Glass. LG K51S price starts.