Unhappy [Q] 10.62 GB free on 32 GB after flash KK

yesterday i update my phone by PC suite !
but my phone was encrypted and i don't know .....! (my phone has pattern only) (
then i factory reset and lost my data !!!!!!!!!!!!! flash 32 GB version of KK but i have 10.62 GB free on storage !
means 32GB convert to 16GB !
i downgrade to 4.2.2 and then update to 4.4.2 but no happen !!!! ( i flash whit TOT files !)
LG PC suite is very terrible !
anybody have suggestion for me ?