Default [Q] LG flex F340k with any english firmware flashing

hi everyone as u can guess this is my first post in this forum.
so my problem is that my brother sent me lg g flex Korean version f340k ,i like it very much but it is full of Korean bloatware and unnecessary korean apps which are taking space + ram and driving me nuts so i want to flash it with any European ,Us or Singapore firmware.so i need assistance flashing it with english or stock lg g flex rom.
i will appreciate any help.
thanx