Help please!! LG G3 851 32gb shows minus 50% on all benchmarks!

[GEN66]

Antutu 6.0 shows 25,000 and all other benchmarks (geekbench etc) show also around minis fifty percent from the official scores for lg g3, all cpu cores are working, checked phone and seems original specs perfect from cpu z( dpi, resolution, gpu, cpu ,ram perfect) guys help me please I'm desperate, model is t mobile 851 32gb running lolipop 5.1 stock lg

 

[someguyatx]

Other than benchmarks is the phone working fine? If so maybe a factory reset is needed.

 

[xocomaox]

Overheating? What do CPU temps look like?