Searching for a BGMI 90 FPS config file typically involves finding scripts that modify the game's internal UserCustom.ini Active.sav files to bypass device hardware restrictions.
: Open BGMI and check Settings > Graphics . The "90 FPS" option should now be selectable under the Frame Rate settings. Alternative: GFX Tools
A: No. Every major BGMI update (e.g., 3.5 to 3.6) changes the file structure. Using an old config will cause an immediate "Resources outdated" error or ban.