Thx. I used checkfirm, i believe it does the same job? Found it on playstore. I tried TMB. This is what i get as far the latest firmwares should be: G970USQS4ETJ2/G970UOYN4ETJ2/G970USQS4ETJ2
But which one should I use? And where can I find it? Would these be unlocked versions? Thank you so much.