Install another software for G920T

Hi Octoplus team
I have one S6 G920T, V5.1.1 , forget google account
I try reset FRP but not working ( last version 2.1.8 ) maybe new security
Software of the G920T : G920TUVUS3DOJC
I see on Octoplus support site have ;
G920TUVU2COF6
G920TUVU2COF8
G920TUVU3DOI1
any one above can install to my phone, ( don’t damage any )
I want to try to reset after install new soft
Thank a lot
Dienson