It's not showing ultra extreme frame settings on bgmi 

But a 8 gen 2 mobile OnePlus have ultra extreme frame option on settings 

Iqoo 12 don't have ultra extreme option on settings (120 fps) it's gen 3 

But a gen 2 mobile have 120 fps option 

It's almost a year of iqoo 12 

Even iqoo 13 is coming but still 120 fps not supported on bgmi 

No option of ultra extreme frame settings on bgmi 

Only extreme+ is available 

No ultra extreme option 

Even one plus gen 2 mobile have ultra extreme option on settings 120 fps 

Image given below took on iqoo 12 no 120 fps support ( ultra extreme option) no